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diff --git a/activitypub.go b/activitypub.go
index 3b0ac82..926902c 100644
--- a/activitypub.go
+++ b/activitypub.go
@@ -1,665 +1,665 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"bytes"
"crypto/sha256"
"database/sql"
"encoding/base64"
"encoding/json"
"fmt"
"github.com/go-sql-driver/mysql"
"github.com/gorilla/mux"
"github.com/writeas/activity/streams"
"github.com/writeas/httpsig"
"github.com/writeas/impart"
"github.com/writeas/nerds/store"
"github.com/writeas/web-core/activitypub"
"github.com/writeas/web-core/activitystreams"
"github.com/writeas/web-core/log"
"io/ioutil"
"net/http"
"net/http/httputil"
"net/url"
"strconv"
"time"
)
const (
// TODO: delete. don't use this!
apCustomHandleDefault = "blog"
)
type RemoteUser struct {
ID int64
ActorID string
Inbox string
SharedInbox string
}
func (ru *RemoteUser) AsPerson() *activitystreams.Person {
return &activitystreams.Person{
BaseObject: activitystreams.BaseObject{
Type: "Person",
Context: []interface{}{
activitystreams.Namespace,
},
ID: ru.ActorID,
},
Inbox: ru.Inbox,
Endpoints: activitystreams.Endpoints{
SharedInbox: ru.SharedInbox,
},
}
}
func handleFetchCollectionActivities(app *app, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
p := c.PersonObject()
return impart.RenderActivityJSON(w, p, http.StatusOK)
}
func handleFetchCollectionOutbox(app *app, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
if app.cfg.App.SingleUser {
if alias != c.Alias {
return ErrCollectionNotFound
}
}
res := &CollectionObj{Collection: *c}
app.db.GetPostsCount(res, false)
accountRoot := c.FederatedAccount()
page := r.FormValue("page")
p, err := strconv.Atoi(page)
if err != nil || p < 1 {
// Return outbox
oc := activitystreams.NewOrderedCollection(accountRoot, "outbox", res.TotalPosts)
return impart.RenderActivityJSON(w, oc, http.StatusOK)
}
// Return outbox page
ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "outbox", res.TotalPosts, p)
ocp.OrderedItems = []interface{}{}
- posts, err := app.db.GetPosts(c, p, false, true)
+ posts, err := app.db.GetPosts(c, p, false, true, false)
for _, pp := range *posts {
pp.Collection = res
o := pp.ActivityObject()
a := activitystreams.NewCreateActivity(o)
ocp.OrderedItems = append(ocp.OrderedItems, *a)
}
return impart.RenderActivityJSON(w, ocp, http.StatusOK)
}
func handleFetchCollectionFollowers(app *app, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
accountRoot := c.FederatedAccount()
folls, err := app.db.GetAPFollowers(c)
if err != nil {
return err
}
page := r.FormValue("page")
p, err := strconv.Atoi(page)
if err != nil || p < 1 {
// Return outbox
oc := activitystreams.NewOrderedCollection(accountRoot, "followers", len(*folls))
return impart.RenderActivityJSON(w, oc, http.StatusOK)
}
// Return outbox page
ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "followers", len(*folls), p)
ocp.OrderedItems = []interface{}{}
/*
for _, f := range *folls {
ocp.OrderedItems = append(ocp.OrderedItems, f.ActorID)
}
*/
return impart.RenderActivityJSON(w, ocp, http.StatusOK)
}
func handleFetchCollectionFollowing(app *app, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: enforce visibility
// Get base Collection data
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
accountRoot := c.FederatedAccount()
page := r.FormValue("page")
p, err := strconv.Atoi(page)
if err != nil || p < 1 {
// Return outbox
oc := activitystreams.NewOrderedCollection(accountRoot, "following", 0)
return impart.RenderActivityJSON(w, oc, http.StatusOK)
}
// Return outbox page
ocp := activitystreams.NewOrderedCollectionPage(accountRoot, "following", 0, p)
ocp.OrderedItems = []interface{}{}
return impart.RenderActivityJSON(w, ocp, http.StatusOK)
}
func handleFetchCollectionInbox(app *app, w http.ResponseWriter, r *http.Request) error {
w.Header().Set("Server", serverSoftware)
vars := mux.Vars(r)
alias := vars["alias"]
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
// TODO: return Reject?
return err
}
if debugging {
dump, err := httputil.DumpRequest(r, true)
if err != nil {
log.Error("Can't dump: %v", err)
} else {
log.Info("Rec'd! %q", dump)
}
}
var m map[string]interface{}
if err := json.NewDecoder(r.Body).Decode(&m); err != nil {
return err
}
a := streams.NewAccept()
p := c.PersonObject()
var to *url.URL
var isFollow, isUnfollow bool
fullActor := &activitystreams.Person{}
var remoteUser *RemoteUser
res := &streams.Resolver{
FollowCallback: func(f *streams.Follow) error {
isFollow = true
// 1) Use the Follow concrete type here
// 2) Errors are propagated to res.Deserialize call below
m["@context"] = []string{activitystreams.Namespace}
b, _ := json.Marshal(m)
if debugging {
log.Info("Follow: %s", b)
}
_, followID := f.GetId()
if followID == nil {
log.Error("Didn't resolve follow ID")
} else {
aID := c.FederatedAccount() + "#accept-" + store.GenerateFriendlyRandomString(20)
acceptID, err := url.Parse(aID)
if err != nil {
log.Error("Couldn't parse generated Accept URL '%s': %v", aID, err)
}
a.SetId(acceptID)
}
a.AppendObject(f.Raw())
_, to = f.GetActor(0)
obj := f.Raw().GetObjectIRI(0)
a.AppendActor(obj)
// First get actor information
if to == nil {
return fmt.Errorf("No valid `to` string")
}
fullActor, remoteUser, err = getActor(app, to.String())
if err != nil {
return err
}
return impart.RenderActivityJSON(w, m, http.StatusOK)
},
UndoCallback: func(u *streams.Undo) error {
isUnfollow = true
m["@context"] = []string{activitystreams.Namespace}
b, _ := json.Marshal(m)
if debugging {
log.Info("Undo: %s", b)
}
a.AppendObject(u.Raw())
_, to = u.GetActor(0)
// TODO: get actor from object.object, not object
obj := u.Raw().GetObjectIRI(0)
a.AppendActor(obj)
if to != nil {
// Populate fullActor from DB?
remoteUser, err = getRemoteUser(app, to.String())
if err != nil {
if iErr, ok := err.(*impart.HTTPError); ok {
if iErr.Status == http.StatusNotFound {
log.Error("No remoteuser info for Undo event!")
}
}
return err
} else {
fullActor = remoteUser.AsPerson()
}
} else {
log.Error("No to on Undo!")
}
return impart.RenderActivityJSON(w, m, http.StatusOK)
},
}
if err := res.Deserialize(m); err != nil {
// 3) Any errors from #2 can be handled, or the payload is an unknown type.
log.Error("Unable to resolve Follow: %v", err)
if debugging {
log.Error("Map: %s", m)
}
return err
}
go func() {
time.Sleep(2 * time.Second)
am, err := a.Serialize()
if err != nil {
log.Error("Unable to serialize Accept: %v", err)
return
}
am["@context"] = []string{activitystreams.Namespace}
if to == nil {
log.Error("No to! %v", err)
return
}
err = makeActivityPost(p, fullActor.Inbox, am)
if err != nil {
log.Error("Unable to make activity POST: %v", err)
return
}
if isFollow {
t, err := app.db.Begin()
if err != nil {
log.Error("Unable to start transaction: %v", err)
return
}
var followerID int64
if remoteUser != nil {
followerID = remoteUser.ID
} else {
// Add follower locally, since it wasn't found before
res, err := t.Exec("INSERT INTO remoteusers (actor_id, inbox, shared_inbox) VALUES (?, ?, ?)", fullActor.ID, fullActor.Inbox, fullActor.Endpoints.SharedInbox)
if err != nil {
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number != mySQLErrDuplicateKey {
t.Rollback()
log.Error("Couldn't add new remoteuser in DB: %v\n", err)
return
}
} else {
t.Rollback()
log.Error("Couldn't add new remoteuser in DB: %v\n", err)
return
}
}
followerID, err = res.LastInsertId()
if err != nil {
t.Rollback()
log.Error("no lastinsertid for followers, rolling back: %v", err)
return
}
// Add in key
_, err = t.Exec("INSERT INTO remoteuserkeys (id, remote_user_id, public_key) VALUES (?, ?, ?)", fullActor.PublicKey.ID, followerID, fullActor.PublicKey.PublicKeyPEM)
if err != nil {
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number != mySQLErrDuplicateKey {
t.Rollback()
log.Error("Couldn't add follower keys in DB: %v\n", err)
return
}
} else {
t.Rollback()
log.Error("Couldn't add follower keys in DB: %v\n", err)
return
}
}
}
// Add follow
_, err = t.Exec("INSERT INTO remotefollows (collection_id, remote_user_id, created) VALUES (?, ?, "+app.db.now()+")", c.ID, followerID)
if err != nil {
if mysqlErr, ok := err.(*mysql.MySQLError); ok {
if mysqlErr.Number != mySQLErrDuplicateKey {
t.Rollback()
log.Error("Couldn't add follower in DB: %v\n", err)
return
}
} else {
t.Rollback()
log.Error("Couldn't add follower in DB: %v\n", err)
return
}
}
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return
}
} else if isUnfollow {
// Remove follower locally
_, err = app.db.Exec("DELETE FROM remotefollows WHERE collection_id = ? AND remote_user_id = (SELECT id FROM remoteusers WHERE actor_id = ?)", c.ID, to.String())
if err != nil {
log.Error("Couldn't remove follower from DB: %v\n", err)
}
}
}()
return nil
}
func makeActivityPost(p *activitystreams.Person, url string, m interface{}) error {
log.Info("POST %s", url)
b, err := json.Marshal(m)
if err != nil {
return err
}
r, _ := http.NewRequest("POST", url, bytes.NewBuffer(b))
r.Header.Add("Content-Type", "application/activity+json")
r.Header.Set("User-Agent", "Go ("+serverSoftware+"/"+softwareVer+"; +"+hostName+")")
h := sha256.New()
h.Write(b)
r.Header.Add("Digest", "SHA-256="+base64.StdEncoding.EncodeToString(h.Sum(nil)))
// Sign using the 'Signature' header
privKey, err := activitypub.DecodePrivateKey(p.GetPrivKey())
if err != nil {
return err
}
signer := httpsig.NewSigner(p.PublicKey.ID, privKey, httpsig.RSASHA256, []string{"(request-target)", "date", "host", "digest"})
err = signer.SignSigHeader(r)
if err != nil {
log.Error("Can't sign: %v", err)
}
if debugging {
dump, err := httputil.DumpRequestOut(r, true)
if err != nil {
log.Error("Can't dump: %v", err)
} else {
log.Info("%s", dump)
}
}
resp, err := http.DefaultClient.Do(r)
if err != nil {
return err
}
if resp != nil && resp.Body != nil {
defer resp.Body.Close()
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
if debugging {
log.Info("Status : %s", resp.Status)
log.Info("Response: %s", body)
}
return nil
}
func resolveIRI(url string) ([]byte, error) {
log.Info("GET %s", url)
r, _ := http.NewRequest("GET", url, nil)
r.Header.Add("Accept", "application/activity+json")
r.Header.Set("User-Agent", "Go ("+serverSoftware+"/"+softwareVer+"; +"+hostName+")")
if debugging {
dump, err := httputil.DumpRequestOut(r, true)
if err != nil {
log.Error("Can't dump: %v", err)
} else {
log.Info("%s", dump)
}
}
resp, err := http.DefaultClient.Do(r)
if err != nil {
return nil, err
}
if resp != nil && resp.Body != nil {
defer resp.Body.Close()
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if debugging {
log.Info("Status : %s", resp.Status)
log.Info("Response: %s", body)
}
return body, nil
}
func deleteFederatedPost(app *app, p *PublicPost, collID int64) error {
if debugging {
log.Info("Deleting federated post!")
}
actor := p.Collection.PersonObject(collID)
na := p.ActivityObject()
// Add followers
p.Collection.ID = collID
followers, err := app.db.GetAPFollowers(&p.Collection.Collection)
if err != nil {
log.Error("Couldn't delete post (get followers)! %v", err)
return err
}
inboxes := map[string][]string{}
for _, f := range *followers {
if _, ok := inboxes[f.SharedInbox]; ok {
inboxes[f.SharedInbox] = append(inboxes[f.SharedInbox], f.ActorID)
} else {
inboxes[f.SharedInbox] = []string{f.ActorID}
}
}
for si, instFolls := range inboxes {
na.CC = []string{}
for _, f := range instFolls {
na.CC = append(na.CC, f)
}
err = makeActivityPost(actor, si, activitystreams.NewDeleteActivity(na))
if err != nil {
log.Error("Couldn't delete post! %v", err)
}
}
return nil
}
func federatePost(app *app, p *PublicPost, collID int64, isUpdate bool) error {
if debugging {
if isUpdate {
log.Info("Federating updated post!")
} else {
log.Info("Federating new post!")
}
}
actor := p.Collection.PersonObject(collID)
na := p.ActivityObject()
// Add followers
p.Collection.ID = collID
followers, err := app.db.GetAPFollowers(&p.Collection.Collection)
if err != nil {
log.Error("Couldn't post! %v", err)
return err
}
log.Info("Followers for %d: %+v", collID, followers)
inboxes := map[string][]string{}
for _, f := range *followers {
if _, ok := inboxes[f.SharedInbox]; ok {
inboxes[f.SharedInbox] = append(inboxes[f.SharedInbox], f.ActorID)
} else {
inboxes[f.SharedInbox] = []string{f.ActorID}
}
}
for si, instFolls := range inboxes {
na.CC = []string{}
for _, f := range instFolls {
na.CC = append(na.CC, f)
}
var activity *activitystreams.Activity
if isUpdate {
activity = activitystreams.NewUpdateActivity(na)
} else {
activity = activitystreams.NewCreateActivity(na)
activity.To = na.To
activity.CC = na.CC
}
err = makeActivityPost(actor, si, activity)
if err != nil {
log.Error("Couldn't post! %v", err)
}
}
return nil
}
func getRemoteUser(app *app, actorID string) (*RemoteUser, error) {
u := RemoteUser{ActorID: actorID}
err := app.db.QueryRow("SELECT id, inbox, shared_inbox FROM remoteusers WHERE actor_id = ?", actorID).Scan(&u.ID, &u.Inbox, &u.SharedInbox)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "No remote user with that ID."}
case err != nil:
log.Error("Couldn't get remote user %s: %v", actorID, err)
return nil, err
}
return &u, nil
}
func getActor(app *app, actorIRI string) (*activitystreams.Person, *RemoteUser, error) {
log.Info("Fetching actor %s locally", actorIRI)
actor := &activitystreams.Person{}
remoteUser, err := getRemoteUser(app, actorIRI)
if err != nil {
if iErr, ok := err.(impart.HTTPError); ok {
if iErr.Status == http.StatusNotFound {
// Fetch remote actor
log.Info("Not found; fetching actor %s remotely", actorIRI)
actorResp, err := resolveIRI(actorIRI)
if err != nil {
log.Error("Unable to get actor! %v", err)
return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't fetch actor."}
}
if err := json.Unmarshal(actorResp, &actor); err != nil {
// FIXME: Hubzilla has an object for the Actor's url: cannot unmarshal object into Go struct field Person.url of type string
log.Error("Unable to unmarshal actor! %v", err)
return nil, nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't parse actor."}
}
} else {
return nil, nil, err
}
} else {
return nil, nil, err
}
} else {
actor = remoteUser.AsPerson()
}
return actor, remoteUser, nil
}
diff --git a/collections.go b/collections.go
index cd7be58..391d153 100644
--- a/collections.go
+++ b/collections.go
@@ -1,1057 +1,1057 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"database/sql"
"encoding/json"
"fmt"
"html/template"
"math"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"unicode"
"github.com/gorilla/mux"
"github.com/writeas/impart"
"github.com/writeas/web-core/activitystreams"
"github.com/writeas/web-core/auth"
"github.com/writeas/web-core/bots"
"github.com/writeas/web-core/log"
waposts "github.com/writeas/web-core/posts"
"github.com/writeas/writefreely/author"
"github.com/writeas/writefreely/page"
)
type (
// TODO: add Direction to db
// TODO: add Language to db
Collection struct {
ID int64 `datastore:"id" json:"-"`
Alias string `datastore:"alias" schema:"alias" json:"alias"`
Title string `datastore:"title" schema:"title" json:"title"`
Description string `datastore:"description" schema:"description" json:"description"`
Direction string `schema:"dir" json:"dir,omitempty"`
Language string `schema:"lang" json:"lang,omitempty"`
StyleSheet string `datastore:"style_sheet" schema:"style_sheet" json:"style_sheet"`
Script string `datastore:"script" schema:"script" json:"script,omitempty"`
Public bool `datastore:"public" json:"public"`
Visibility collVisibility `datastore:"private" json:"-"`
Format string `datastore:"format" json:"format,omitempty"`
Views int64 `json:"views"`
OwnerID int64 `datastore:"owner_id" json:"-"`
PublicOwner bool `datastore:"public_owner" json:"-"`
URL string `json:"url,omitempty"`
db *datastore
}
CollectionObj struct {
Collection
TotalPosts int `json:"total_posts"`
Owner *User `json:"owner,omitempty"`
Posts *[]PublicPost `json:"posts,omitempty"`
}
DisplayCollection struct {
*CollectionObj
Prefix string
IsTopLevel bool
CurrentPage int
TotalPages int
Format *CollectionFormat
}
SubmittedCollection struct {
// Data used for updating a given collection
ID int64
OwnerID uint64
// Form helpers
PreferURL string `schema:"prefer_url" json:"prefer_url"`
Privacy int `schema:"privacy" json:"privacy"`
Pass string `schema:"password" json:"password"`
MathJax bool `schema:"mathjax" json:"mathjax"`
Handle string `schema:"handle" json:"handle"`
// Actual collection values updated in the DB
Alias *string `schema:"alias" json:"alias"`
Title *string `schema:"title" json:"title"`
Description *string `schema:"description" json:"description"`
StyleSheet *sql.NullString `schema:"style_sheet" json:"style_sheet"`
Script *sql.NullString `schema:"script" json:"script"`
Visibility *int `schema:"visibility" json:"public"`
Format *sql.NullString `schema:"format" json:"format"`
}
CollectionFormat struct {
Format string
}
collectionReq struct {
// Information about the collection request itself
prefix, alias, domain string
isCustomDomain bool
// User-related fields
isCollOwner bool
}
)
func (sc *SubmittedCollection) FediverseHandle() string {
if sc.Handle == "" {
return apCustomHandleDefault
}
return getSlug(sc.Handle, "")
}
// collVisibility represents the visibility level for the collection.
type collVisibility int
// Visibility levels. Values are bitmasks, stored in the database as
// decimal numbers. If adding types, append them to this list. If removing,
// replace the desired visibility with a new value.
const CollUnlisted collVisibility = 0
const (
CollPublic collVisibility = 1 << iota
CollPrivate
CollProtected
)
func (cf *CollectionFormat) Ascending() bool {
return cf.Format == "novel"
}
func (cf *CollectionFormat) ShowDates() bool {
return cf.Format == "blog"
}
func (cf *CollectionFormat) PostsPerPage() int {
if cf.Format == "novel" {
return postsPerPage
}
return postsPerPage
}
// Valid returns whether or not a format value is valid.
func (cf *CollectionFormat) Valid() bool {
return cf.Format == "blog" ||
cf.Format == "novel" ||
cf.Format == "notebook"
}
// NewFormat creates a new CollectionFormat object from the Collection.
func (c *Collection) NewFormat() *CollectionFormat {
cf := &CollectionFormat{Format: c.Format}
// Fill in default format
if cf.Format == "" {
cf.Format = "blog"
}
return cf
}
func (c *Collection) IsUnlisted() bool {
return c.Visibility == 0
}
func (c *Collection) IsPrivate() bool {
return c.Visibility&CollPrivate != 0
}
func (c *Collection) IsProtected() bool {
return c.Visibility&CollProtected != 0
}
func (c *Collection) IsPublic() bool {
return c.Visibility&CollPublic != 0
}
func (c *Collection) FriendlyVisibility() string {
if c.IsPrivate() {
return "Private"
}
if c.IsPublic() {
return "Public"
}
if c.IsProtected() {
return "Password-protected"
}
return "Unlisted"
}
func (c *Collection) ShowFooterBranding() bool {
// TODO: implement this setting
return true
}
// CanonicalURL returns a fully-qualified URL to the collection.
func (c *Collection) CanonicalURL() string {
return c.RedirectingCanonicalURL(false)
}
func (c *Collection) DisplayCanonicalURL() string {
us := c.CanonicalURL()
u, err := url.Parse(us)
if err != nil {
return us
}
p := u.Path
if p == "/" {
p = ""
}
return u.Hostname() + p
}
func (c *Collection) RedirectingCanonicalURL(isRedir bool) string {
if isSingleUser {
return hostName + "/"
}
return fmt.Sprintf("%s/%s/", hostName, c.Alias)
}
// PrevPageURL provides a full URL for the previous page of collection posts,
// returning a /page/N result for pages >1
func (c *Collection) PrevPageURL(prefix string, n int, tl bool) string {
u := ""
if n == 2 {
// Previous page is 1; no need for /page/ prefix
if prefix == "" {
u = "/"
}
// Else leave off trailing slash
} else {
u = fmt.Sprintf("/page/%d", n-1)
}
if tl {
return u
}
return "/" + prefix + c.Alias + u
}
// NextPageURL provides a full URL for the next page of collection posts
func (c *Collection) NextPageURL(prefix string, n int, tl bool) string {
if tl {
return fmt.Sprintf("/page/%d", n+1)
}
return fmt.Sprintf("/%s%s/page/%d", prefix, c.Alias, n+1)
}
func (c *Collection) DisplayTitle() string {
if c.Title != "" {
return c.Title
}
return c.Alias
}
func (c *Collection) StyleSheetDisplay() template.CSS {
return template.CSS(c.StyleSheet)
}
// ForPublic modifies the Collection for public consumption, such as via
// the API.
func (c *Collection) ForPublic() {
c.URL = c.CanonicalURL()
}
var isAvatarChar = regexp.MustCompile("[a-z0-9]").MatchString
func (c *Collection) PersonObject(ids ...int64) *activitystreams.Person {
accountRoot := c.FederatedAccount()
p := activitystreams.NewPerson(accountRoot)
p.URL = c.CanonicalURL()
uname := c.Alias
p.PreferredUsername = uname
p.Name = c.DisplayTitle()
p.Summary = c.Description
if p.Name != "" {
if av := c.AvatarURL(); av != "" {
p.Icon = activitystreams.Image{
Type: "Image",
MediaType: "image/png",
URL: av,
}
}
}
collID := c.ID
if len(ids) > 0 {
collID = ids[0]
}
pub, priv := c.db.GetAPActorKeys(collID)
if pub != nil {
p.AddPubKey(pub)
p.SetPrivKey(priv)
}
return p
}
func (c *Collection) AvatarURL() string {
fl := string(unicode.ToLower([]rune(c.DisplayTitle())[0]))
if !isAvatarChar(fl) {
return ""
}
return hostName + "/img/avatars/" + fl + ".png"
}
func (c *Collection) FederatedAPIBase() string {
return hostName + "/"
}
func (c *Collection) FederatedAccount() string {
accountUser := c.Alias
return c.FederatedAPIBase() + "api/collections/" + accountUser
}
func (c *Collection) RenderMathJax() bool {
return c.db.CollectionHasAttribute(c.ID, "render_mathjax")
}
func newCollection(app *app, w http.ResponseWriter, r *http.Request) error {
reqJSON := IsJSON(r.Header.Get("Content-Type"))
alias := r.FormValue("alias")
title := r.FormValue("title")
var missingParams, accessToken string
var u *User
c := struct {
Alias string `json:"alias" schema:"alias"`
Title string `json:"title" schema:"title"`
Web bool `json:"web" schema:"web"`
}{}
if reqJSON {
// Decode JSON request
decoder := json.NewDecoder(r.Body)
err := decoder.Decode(&c)
if err != nil {
log.Error("Couldn't parse post update JSON request: %v\n", err)
return ErrBadJSON
}
} else {
// TODO: move form parsing to formDecoder
c.Alias = alias
c.Title = title
}
if c.Alias == "" {
if c.Title != "" {
// If only a title was given, just use it to generate the alias.
c.Alias = getSlug(c.Title, "")
} else {
missingParams += "`alias` "
}
}
if c.Title == "" {
missingParams += "`title` "
}
if missingParams != "" {
return impart.HTTPError{http.StatusBadRequest, fmt.Sprintf("Parameter(s) %srequired.", missingParams)}
}
if reqJSON && !c.Web {
accessToken = r.Header.Get("Authorization")
if accessToken == "" {
return ErrNoAccessToken
}
} else {
u = getUserSession(app, r)
if u == nil {
return ErrNotLoggedIn
}
}
if !author.IsValidUsername(app.cfg, c.Alias) {
return impart.HTTPError{http.StatusPreconditionFailed, "Collection alias isn't valid."}
}
var coll *Collection
var err error
if accessToken != "" {
coll, err = app.db.CreateCollectionFromToken(c.Alias, c.Title, accessToken)
if err != nil {
// TODO: handle this
return err
}
} else {
coll, err = app.db.CreateCollection(c.Alias, c.Title, u.ID)
if err != nil {
// TODO: handle this
return err
}
}
res := &CollectionObj{Collection: *coll}
if reqJSON {
return impart.WriteSuccess(w, res, http.StatusCreated)
}
redirectTo := "/me/c/"
// TODO: redirect to pad when necessary
return impart.HTTPError{http.StatusFound, redirectTo}
}
func apiCheckCollectionPermissions(app *app, r *http.Request, c *Collection) (int64, error) {
accessToken := r.Header.Get("Authorization")
var userID int64 = -1
if accessToken != "" {
userID = app.db.GetUserID(accessToken)
}
isCollOwner := userID == c.OwnerID
if c.IsPrivate() && !isCollOwner {
// Collection is private, but user isn't authenticated
return -1, ErrCollectionNotFound
}
if c.IsProtected() {
// TODO: check access token
return -1, ErrCollectionUnauthorizedRead
}
return userID, nil
}
// fetchCollection handles the API endpoint for retrieving collection data.
func fetchCollection(app *app, w http.ResponseWriter, r *http.Request) error {
accept := r.Header.Get("Accept")
if strings.Contains(accept, "application/activity+json") {
return handleFetchCollectionActivities(app, w, r)
}
vars := mux.Vars(r)
alias := vars["alias"]
// TODO: move this logic into a common getCollection function
// Get base Collection data
c, err := app.db.GetCollection(alias)
if err != nil {
return err
}
// Redirect users who aren't requesting JSON
reqJSON := IsJSON(r.Header.Get("Content-Type"))
if !reqJSON {
return impart.HTTPError{http.StatusFound, c.CanonicalURL()}
}
// Check permissions
userID, err := apiCheckCollectionPermissions(app, r, c)
if err != nil {
return err
}
isCollOwner := userID == c.OwnerID
// Fetch extra data about the Collection
res := &CollectionObj{Collection: *c}
if c.PublicOwner {
u, err := app.db.GetUserByID(res.OwnerID)
if err != nil {
// Log the error and just continue
log.Error("Error getting user for collection: %v", err)
} else {
res.Owner = u
}
}
app.db.GetPostsCount(res, isCollOwner)
// Strip non-public information
res.Collection.ForPublic()
return impart.WriteSuccess(w, res, http.StatusOK)
}
// fetchCollectionPosts handles an API endpoint for retrieving a collection's
// posts.
func fetchCollectionPosts(app *app, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
alias := vars["alias"]
c, err := app.db.GetCollection(alias)
if err != nil {
return err
}
// Check permissions
userID, err := apiCheckCollectionPermissions(app, r, c)
if err != nil {
return err
}
isCollOwner := userID == c.OwnerID
// Get page
page := 1
if p := r.FormValue("page"); p != "" {
pInt, _ := strconv.Atoi(p)
if pInt > 0 {
page = pInt
}
}
- posts, err := app.db.GetPosts(c, page, isCollOwner, false)
+ posts, err := app.db.GetPosts(c, page, isCollOwner, false, false)
if err != nil {
return err
}
coll := &CollectionObj{Collection: *c, Posts: posts}
app.db.GetPostsCount(coll, isCollOwner)
// Strip non-public information
coll.Collection.ForPublic()
// Transform post bodies if needed
if r.FormValue("body") == "html" {
for _, p := range *coll.Posts {
p.Content = waposts.ApplyMarkdown([]byte(p.Content))
}
}
return impart.WriteSuccess(w, coll, http.StatusOK)
}
type CollectionPage struct {
page.StaticPage
*DisplayCollection
IsCustomDomain bool
IsWelcome bool
IsOwner bool
CanPin bool
Username string
Collections *[]Collection
PinnedPosts *[]PublicPost
}
func (c *CollectionObj) ScriptDisplay() template.JS {
return template.JS(c.Script)
}
var jsSourceCommentReg = regexp.MustCompile("(?m)^// src:(.+)$")
func (c *CollectionObj) ExternalScripts() []template.URL {
scripts := []template.URL{}
if c.Script == "" {
return scripts
}
matches := jsSourceCommentReg.FindAllStringSubmatch(c.Script, -1)
for _, m := range matches {
scripts = append(scripts, template.URL(strings.TrimSpace(m[1])))
}
return scripts
}
func (c *CollectionObj) CanShowScript() bool {
return false
}
func processCollectionRequest(cr *collectionReq, vars map[string]string, w http.ResponseWriter, r *http.Request) error {
cr.prefix = vars["prefix"]
cr.alias = vars["collection"]
// Normalize the URL, redirecting user to consistent post URL
if cr.alias != strings.ToLower(cr.alias) {
return impart.HTTPError{http.StatusMovedPermanently, fmt.Sprintf("/%s/", strings.ToLower(cr.alias))}
}
return nil
}
// processCollectionPermissions checks the permissions for the given
// collectionReq, returning a Collection if access is granted; otherwise this
// renders any necessary collection pages, for example, if requesting a custom
// domain that doesn't yet have a collection associated, or if a collection
// requires a password. In either case, this will return nil, nil -- thus both
// values should ALWAYS be checked to determine whether or not to continue.
func processCollectionPermissions(app *app, cr *collectionReq, u *User, w http.ResponseWriter, r *http.Request) (*Collection, error) {
// Display collection if this is a collection
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(cr.alias)
}
// TODO: verify we don't reveal the existence of a private collection with redirection
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
if err.Status == http.StatusNotFound {
if cr.isCustomDomain {
// User is on the site from a custom domain
//tErr := pages["404-domain.tmpl"].ExecuteTemplate(w, "base", pageForHost(page.StaticPage{}, r))
//if tErr != nil {
//log.Error("Unable to render 404-domain page: %v", err)
//}
return nil, nil
}
if len(cr.alias) >= minIDLen && len(cr.alias) <= maxIDLen {
// Alias is within post ID range, so just be sure this isn't a post
if app.db.PostIDExists(cr.alias) {
// TODO: use StatusFound for vanity post URLs when we implement them
return nil, impart.HTTPError{http.StatusMovedPermanently, "/" + cr.alias}
}
}
// Redirect if necessary
newAlias := app.db.GetCollectionRedirect(cr.alias)
if newAlias != "" {
return nil, impart.HTTPError{http.StatusFound, "/" + newAlias + "/"}
}
}
}
return nil, err
}
// Update CollectionRequest to reflect owner status
cr.isCollOwner = u != nil && u.ID == c.OwnerID
// Check permissions
if !cr.isCollOwner {
if c.IsPrivate() {
return nil, ErrCollectionNotFound
} else if c.IsProtected() {
uname := ""
if u != nil {
uname = u.Username
}
// See if we've authorized this collection
authd := isAuthorizedForCollection(app, c.Alias, r)
if !authd {
p := struct {
page.StaticPage
*CollectionObj
Username string
Next string
Flashes []template.HTML
}{
StaticPage: pageForReq(app, r),
CollectionObj: &CollectionObj{Collection: *c},
Username: uname,
Next: r.FormValue("g"),
Flashes: []template.HTML{},
}
// Get owner information
p.CollectionObj.Owner, err = app.db.GetUserByID(c.OwnerID)
if err != nil {
// Log the error and just continue
log.Error("Error getting user for collection: %v", err)
}
flashes, _ := getSessionFlashes(app, w, r, nil)
for _, flash := range flashes {
p.Flashes = append(p.Flashes, template.HTML(flash))
}
err = templates["password-collection"].ExecuteTemplate(w, "password-collection", p)
if err != nil {
log.Error("Unable to render password-collection: %v", err)
return nil, err
}
return nil, nil
}
}
}
return c, nil
}
func checkUserForCollection(app *app, cr *collectionReq, r *http.Request, isPostReq bool) (*User, error) {
u := getUserSession(app, r)
return u, nil
}
func newDisplayCollection(c *Collection, cr *collectionReq, page int) *DisplayCollection {
coll := &DisplayCollection{
CollectionObj: &CollectionObj{Collection: *c},
CurrentPage: page,
Prefix: cr.prefix,
IsTopLevel: isSingleUser,
Format: c.NewFormat(),
}
c.db.GetPostsCount(coll.CollectionObj, cr.isCollOwner)
return coll
}
func getCollectionPage(vars map[string]string) int {
page := 1
var p int
p, _ = strconv.Atoi(vars["page"])
if p > 0 {
page = p
}
return page
}
// handleViewCollection displays the requested Collection
func handleViewCollection(app *app, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
cr := &collectionReq{}
err := processCollectionRequest(cr, vars, w, r)
if err != nil {
return err
}
u, err := checkUserForCollection(app, cr, r, false)
if err != nil {
return err
}
page := getCollectionPage(vars)
c, err := processCollectionPermissions(app, cr, u, w, r)
if c == nil || err != nil {
return err
}
// Serve ActivityStreams data now, if requested
if strings.Contains(r.Header.Get("Accept"), "application/activity+json") {
ac := c.PersonObject()
ac.Context = []interface{}{activitystreams.Namespace}
return impart.RenderActivityJSON(w, ac, http.StatusOK)
}
// Fetch extra data about the Collection
// TODO: refactor out this logic, shared in collection.go:fetchCollection()
coll := newDisplayCollection(c, cr, page)
coll.TotalPages = int(math.Ceil(float64(coll.TotalPosts) / float64(coll.Format.PostsPerPage())))
if coll.TotalPages > 0 && page > coll.TotalPages {
redirURL := fmt.Sprintf("/page/%d", coll.TotalPages)
if !app.cfg.App.SingleUser {
redirURL = fmt.Sprintf("/%s%s%s", cr.prefix, coll.Alias, redirURL)
}
return impart.HTTPError{http.StatusFound, redirURL}
}
- coll.Posts, _ = app.db.GetPosts(c, page, cr.isCollOwner, false)
+ coll.Posts, _ = app.db.GetPosts(c, page, cr.isCollOwner, false, false)
// Serve collection
displayPage := CollectionPage{
DisplayCollection: coll,
StaticPage: pageForReq(app, r),
IsCustomDomain: cr.isCustomDomain,
IsWelcome: r.FormValue("greeting") != "",
}
var owner *User
if u != nil {
displayPage.Username = u.Username
displayPage.IsOwner = u.ID == coll.OwnerID
if displayPage.IsOwner {
// Add in needed information for users viewing their own collection
owner = u
displayPage.CanPin = true
pubColls, err := app.db.GetPublishableCollections(owner)
if err != nil {
log.Error("unable to fetch collections: %v", err)
}
displayPage.Collections = pubColls
}
}
if owner == nil {
// Current user doesn't own collection; retrieve owner information
owner, err = app.db.GetUserByID(coll.OwnerID)
if err != nil {
// Log the error and just continue
log.Error("Error getting user for collection: %v", err)
}
}
displayPage.Owner = owner
coll.Owner = displayPage.Owner
// Add more data
// TODO: fix this mess of collections inside collections
displayPage.PinnedPosts, _ = app.db.GetPinnedPosts(coll.CollectionObj)
err = templates["collection"].ExecuteTemplate(w, "collection", displayPage)
if err != nil {
log.Error("Unable to render collection index: %v", err)
}
// Update collection view count
go func() {
// Don't update if owner is viewing the collection.
if u != nil && u.ID == coll.OwnerID {
return
}
// Only update for human views
if r.Method == "HEAD" || bots.IsBot(r.UserAgent()) {
return
}
_, err := app.db.Exec("UPDATE collections SET view_count = view_count + 1 WHERE id = ?", coll.ID)
if err != nil {
log.Error("Unable to update collections count: %v", err)
}
}()
return err
}
func handleViewCollectionTag(app *app, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
tag := vars["tag"]
cr := &collectionReq{}
err := processCollectionRequest(cr, vars, w, r)
if err != nil {
return err
}
u, err := checkUserForCollection(app, cr, r, false)
if err != nil {
return err
}
page := getCollectionPage(vars)
c, err := processCollectionPermissions(app, cr, u, w, r)
if c == nil || err != nil {
return err
}
coll := newDisplayCollection(c, cr, page)
coll.Posts, _ = app.db.GetPostsTagged(c, tag, page, cr.isCollOwner)
if coll.Posts != nil && len(*coll.Posts) == 0 {
return ErrCollectionPageNotFound
}
// Serve collection
displayPage := struct {
CollectionPage
Tag string
}{
CollectionPage: CollectionPage{
DisplayCollection: coll,
StaticPage: pageForReq(app, r),
IsCustomDomain: cr.isCustomDomain,
},
Tag: tag,
}
var owner *User
if u != nil {
displayPage.Username = u.Username
displayPage.IsOwner = u.ID == coll.OwnerID
if displayPage.IsOwner {
// Add in needed information for users viewing their own collection
owner = u
displayPage.CanPin = true
pubColls, err := app.db.GetPublishableCollections(owner)
if err != nil {
log.Error("unable to fetch collections: %v", err)
}
displayPage.Collections = pubColls
}
}
if owner == nil {
// Current user doesn't own collection; retrieve owner information
owner, err = app.db.GetUserByID(coll.OwnerID)
if err != nil {
// Log the error and just continue
log.Error("Error getting user for collection: %v", err)
}
}
displayPage.Owner = owner
coll.Owner = displayPage.Owner
// Add more data
// TODO: fix this mess of collections inside collections
displayPage.PinnedPosts, _ = app.db.GetPinnedPosts(coll.CollectionObj)
err = templates["collection-tags"].ExecuteTemplate(w, "collection-tags", displayPage)
if err != nil {
log.Error("Unable to render collection tag page: %v", err)
}
return nil
}
func handleCollectionPostRedirect(app *app, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
slug := vars["slug"]
cr := &collectionReq{}
err := processCollectionRequest(cr, vars, w, r)
if err != nil {
return err
}
// Normalize the URL, redirecting user to consistent post URL
loc := fmt.Sprintf("/%s", slug)
if !app.cfg.App.SingleUser {
loc = fmt.Sprintf("/%s/%s", cr.alias, slug)
}
return impart.HTTPError{http.StatusFound, loc}
}
func existingCollection(app *app, w http.ResponseWriter, r *http.Request) error {
reqJSON := IsJSON(r.Header.Get("Content-Type"))
vars := mux.Vars(r)
collAlias := vars["alias"]
isWeb := r.FormValue("web") == "1"
var u *User
if reqJSON && !isWeb {
// Ensure an access token was given
accessToken := r.Header.Get("Authorization")
u = &User{}
u.ID = app.db.GetUserID(accessToken)
if u.ID == -1 {
return ErrBadAccessToken
}
} else {
u = getUserSession(app, r)
if u == nil {
return ErrNotLoggedIn
}
}
if r.Method == "DELETE" {
err := app.db.DeleteCollection(collAlias, u.ID)
if err != nil {
// TODO: if not HTTPError, report error to admin
log.Error("Unable to delete collection: %s", err)
return err
}
addSessionFlash(app, w, r, "Deleted your blog, "+collAlias+".", nil)
return impart.HTTPError{Status: http.StatusNoContent}
}
c := SubmittedCollection{OwnerID: uint64(u.ID)}
var err error
if reqJSON {
// Decode JSON request
decoder := json.NewDecoder(r.Body)
err = decoder.Decode(&c)
if err != nil {
log.Error("Couldn't parse collection update JSON request: %v\n", err)
return ErrBadJSON
}
} else {
err = r.ParseForm()
if err != nil {
log.Error("Couldn't parse collection update form request: %v\n", err)
return ErrBadFormData
}
err = app.formDecoder.Decode(&c, r.PostForm)
if err != nil {
log.Error("Couldn't decode collection update form request: %v\n", err)
return ErrBadFormData
}
}
err = app.db.UpdateCollection(&c, collAlias)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
if reqJSON {
return err
}
addSessionFlash(app, w, r, err.Message, nil)
return impart.HTTPError{http.StatusFound, "/me/c/" + collAlias}
} else {
log.Error("Couldn't update collection: %v\n", err)
return err
}
}
if reqJSON {
return impart.WriteSuccess(w, struct {
}{}, http.StatusOK)
}
addSessionFlash(app, w, r, "Blog updated!", nil)
return impart.HTTPError{http.StatusFound, "/me/c/" + collAlias}
}
// collectionAliasFromReq takes a request and returns the collection alias
// if it can be ascertained, as well as whether or not the collection uses a
// custom domain.
func collectionAliasFromReq(r *http.Request) string {
vars := mux.Vars(r)
alias := vars["subdomain"]
isSubdomain := alias != ""
if !isSubdomain {
// Fall back to write.as/{collection} since this isn't a custom domain
alias = vars["collection"]
}
return alias
}
func handleWebCollectionUnlock(app *app, w http.ResponseWriter, r *http.Request) error {
var readReq struct {
Alias string `schema:"alias" json:"alias"`
Pass string `schema:"password" json:"password"`
Next string `schema:"to" json:"to"`
}
// Get params
if impart.ReqJSON(r) {
decoder := json.NewDecoder(r.Body)
err := decoder.Decode(&readReq)
if err != nil {
log.Error("Couldn't parse readReq JSON request: %v\n", err)
return ErrBadJSON
}
} else {
err := r.ParseForm()
if err != nil {
log.Error("Couldn't parse readReq form request: %v\n", err)
return ErrBadFormData
}
err = app.formDecoder.Decode(&readReq, r.PostForm)
if err != nil {
log.Error("Couldn't decode readReq form request: %v\n", err)
return ErrBadFormData
}
}
if readReq.Alias == "" {
return impart.HTTPError{http.StatusBadRequest, "Need a collection `alias` to read."}
}
if readReq.Pass == "" {
return impart.HTTPError{http.StatusBadRequest, "Please supply a password."}
}
var collHashedPass []byte
err := app.db.QueryRow("SELECT password FROM collectionpasswords INNER JOIN collections ON id = collection_id WHERE alias = ?", readReq.Alias).Scan(&collHashedPass)
if err != nil {
if err == sql.ErrNoRows {
log.Error("No collectionpassword found when trying to read collection %s", readReq.Alias)
return impart.HTTPError{http.StatusInternalServerError, "Something went very wrong. The humans have been alerted."}
}
return err
}
if !auth.Authenticated(collHashedPass, []byte(readReq.Pass)) {
return impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
}
// Success; set cookie
session, err := app.sessionStore.Get(r, blogPassCookieName)
if err == nil {
session.Values[readReq.Alias] = true
err = session.Save(r, w)
if err != nil {
log.Error("Didn't save unlocked blog '%s': %v", readReq.Alias, err)
}
}
next := "/" + readReq.Next
if !app.cfg.App.SingleUser {
next = "/" + readReq.Alias + next
}
return impart.HTTPError{http.StatusFound, next}
}
func isAuthorizedForCollection(app *app, alias string, r *http.Request) bool {
authd := false
session, err := app.sessionStore.Get(r, blogPassCookieName)
if err == nil {
_, authd = session.Values[alias]
}
return authd
}
diff --git a/database.go b/database.go
index 4e64dbb..e26c6c6 100644
--- a/database.go
+++ b/database.go
@@ -1,2424 +1,2429 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"database/sql"
"fmt"
"net/http"
"strings"
"time"
"github.com/guregu/null"
"github.com/guregu/null/zero"
uuid "github.com/nu7hatch/gouuid"
"github.com/writeas/impart"
"github.com/writeas/nerds/store"
"github.com/writeas/web-core/activitypub"
"github.com/writeas/web-core/auth"
"github.com/writeas/web-core/data"
"github.com/writeas/web-core/id"
"github.com/writeas/web-core/log"
"github.com/writeas/web-core/query"
"github.com/writeas/writefreely/author"
)
const (
mySQLErrDuplicateKey = 1062
driverMySQL = "mysql"
driverSQLite = "sqlite3"
)
var (
SQLiteEnabled bool
)
type writestore interface {
CreateUser(*User, string) error
UpdateUserEmail(keys *keychain, userID int64, email string) error
UpdateEncryptedUserEmail(int64, []byte) error
GetUserByID(int64) (*User, error)
GetUserForAuth(string) (*User, error)
GetUserForAuthByID(int64) (*User, error)
GetUserNameFromToken(string) (string, error)
GetUserDataFromToken(string) (int64, string, error)
GetAPIUser(header string) (*User, error)
GetUserID(accessToken string) int64
GetUserIDPrivilege(accessToken string) (userID int64, sudo bool)
DeleteToken(accessToken []byte) error
FetchLastAccessToken(userID int64) string
GetAccessToken(userID int64) (string, error)
GetTemporaryAccessToken(userID int64, validSecs int) (string, error)
GetTemporaryOneTimeAccessToken(userID int64, validSecs int, oneTime bool) (string, error)
DeleteAccount(userID int64) (l *string, err error)
ChangeSettings(app *app, u *User, s *userSettings) error
ChangePassphrase(userID int64, sudo bool, curPass string, hashedPass []byte) error
GetCollections(u *User) (*[]Collection, error)
GetPublishableCollections(u *User) (*[]Collection, error)
GetMeStats(u *User) userMeStats
GetTotalCollections() (int64, error)
GetTotalPosts() (int64, error)
GetTopPosts(u *User, alias string) (*[]PublicPost, error)
GetAnonymousPosts(u *User) (*[]PublicPost, error)
GetUserPosts(u *User) (*[]PublicPost, error)
CreateOwnedPost(post *SubmittedPost, accessToken, collAlias string) (*PublicPost, error)
CreatePost(userID, collID int64, post *SubmittedPost) (*Post, error)
UpdateOwnedPost(post *AuthenticatedPost, userID int64) error
GetEditablePost(id, editToken string) (*PublicPost, error)
PostIDExists(id string) bool
GetPost(id string, collectionID int64) (*PublicPost, error)
GetOwnedPost(id string, ownerID int64) (*PublicPost, error)
GetPostProperty(id string, collectionID int64, property string) (interface{}, error)
CreateCollectionFromToken(string, string, string) (*Collection, error)
CreateCollection(string, string, int64) (*Collection, error)
GetCollectionBy(condition string, value interface{}) (*Collection, error)
GetCollection(alias string) (*Collection, error)
GetCollectionForPad(alias string) (*Collection, error)
GetCollectionByID(id int64) (*Collection, error)
UpdateCollection(c *SubmittedCollection, alias string) error
DeleteCollection(alias string, userID int64) error
UpdatePostPinState(pinned bool, postID string, collID, ownerID, pos int64) error
GetLastPinnedPostPos(collID int64) int64
GetPinnedPosts(coll *CollectionObj) (*[]PublicPost, error)
RemoveCollectionRedirect(t *sql.Tx, alias string) error
GetCollectionRedirect(alias string) (new string)
IsCollectionAttributeOn(id int64, attr string) bool
CollectionHasAttribute(id int64, attr string) bool
CanCollect(cpr *ClaimPostRequest, userID int64) bool
AttemptClaim(p *ClaimPostRequest, query string, params []interface{}, slugIdx int) (sql.Result, error)
DispersePosts(userID int64, postIDs []string) (*[]ClaimPostResult, error)
ClaimPosts(userID int64, collAlias string, posts *[]ClaimPostRequest) (*[]ClaimPostResult, error)
GetPostsCount(c *CollectionObj, includeFuture bool)
- GetPosts(c *Collection, page int, includeFuture, forceRecentFirst bool) (*[]PublicPost, error)
+ GetPosts(c *Collection, page int, includeFuture, forceRecentFirst, includePinned bool) (*[]PublicPost, error)
GetPostsTagged(c *Collection, tag string, page int, includeFuture bool) (*[]PublicPost, error)
GetAPFollowers(c *Collection) (*[]RemoteUser, error)
GetAPActorKeys(collectionID int64) ([]byte, []byte)
CreateUserInvite(id string, userID int64, maxUses int, expires *time.Time) error
GetUserInvites(userID int64) (*[]Invite, error)
GetUserInvite(id string) (*Invite, error)
GetUsersInvitedCount(id string) int64
CreateInvitedUser(inviteID string, userID int64) error
GetDynamicContent(id string) (*instanceContent, error)
UpdateDynamicContent(id, title, content, contentType string) error
GetAllUsers(page uint) (*[]User, error)
GetAllUsersCount() int64
GetUserLastPostTime(id int64) (*time.Time, error)
GetCollectionLastPostTime(id int64) (*time.Time, error)
DatabaseInitialized() bool
}
type datastore struct {
*sql.DB
driverName string
}
func (db *datastore) now() string {
if db.driverName == driverSQLite {
return "strftime('%Y-%m-%d %H:%M:%S','now')"
}
return "NOW()"
}
func (db *datastore) clip(field string, l int) string {
if db.driverName == driverSQLite {
return fmt.Sprintf("SUBSTR(%s, 0, %d)", field, l)
}
return fmt.Sprintf("LEFT(%s, %d)", field, l)
}
func (db *datastore) upsert(indexedCols ...string) string {
if db.driverName == driverSQLite {
// NOTE: SQLite UPSERT syntax only works in v3.24.0 (2018-06-04) or later
// Leaving this for whenever we can upgrade and include it in our binary
cc := strings.Join(indexedCols, ", ")
return "ON CONFLICT(" + cc + ") DO UPDATE SET"
}
return "ON DUPLICATE KEY UPDATE"
}
func (db *datastore) dateSub(l int, unit string) string {
if db.driverName == driverSQLite {
return fmt.Sprintf("DATETIME('now', '-%d %s')", l, unit)
}
return fmt.Sprintf("DATE_SUB(NOW(), INTERVAL %d %s)", l, unit)
}
func (db *datastore) CreateUser(u *User, collectionTitle string) error {
if db.PostIDExists(u.Username) {
return impart.HTTPError{http.StatusConflict, "Invalid collection name."}
}
// New users get a `users` and `collections` row.
t, err := db.Begin()
if err != nil {
return err
}
// 1. Add to `users` table
// NOTE: Assumes User's Password is already hashed!
res, err := t.Exec("INSERT INTO users (username, password, email) VALUES (?, ?, ?)", u.Username, u.HashedPass, u.Email)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Rolling back users INSERT: %v\n", err)
return err
}
u.ID, err = res.LastInsertId()
if err != nil {
t.Rollback()
log.Error("Rolling back after LastInsertId: %v\n", err)
return err
}
// 2. Create user's Collection
if collectionTitle == "" {
collectionTitle = u.Username
}
res, err = t.Exec("INSERT INTO collections (alias, title, description, privacy, owner_id, view_count) VALUES (?, ?, ?, ?, ?, ?)", u.Username, collectionTitle, "", CollUnlisted, u.ID, 0)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Rolling back collections INSERT: %v\n", err)
return err
}
db.RemoveCollectionRedirect(t, u.Username)
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return err
}
return nil
}
// FIXME: We're returning errors inconsistently in this file. Do we use Errorf
// for returned value, or impart?
func (db *datastore) UpdateUserEmail(keys *keychain, userID int64, email string) error {
encEmail, err := data.Encrypt(keys.emailKey, email)
if err != nil {
return fmt.Errorf("Couldn't encrypt email %s: %s\n", email, err)
}
return db.UpdateEncryptedUserEmail(userID, encEmail)
}
func (db *datastore) UpdateEncryptedUserEmail(userID int64, encEmail []byte) error {
_, err := db.Exec("UPDATE users SET email = ? WHERE id = ?", encEmail, userID)
if err != nil {
return fmt.Errorf("Unable to update user email: %s", err)
}
return nil
}
func (db *datastore) CreateCollectionFromToken(alias, title, accessToken string) (*Collection, error) {
userID := db.GetUserID(accessToken)
if userID == -1 {
return nil, ErrBadAccessToken
}
return db.CreateCollection(alias, title, userID)
}
func (db *datastore) GetUserCollectionCount(userID int64) (uint64, error) {
var collCount uint64
err := db.QueryRow("SELECT COUNT(*) FROM collections WHERE owner_id = ?", userID).Scan(&collCount)
switch {
case err == sql.ErrNoRows:
return 0, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user from database."}
case err != nil:
log.Error("Couldn't get collections count for user %d: %v", userID, err)
return 0, err
}
return collCount, nil
}
func (db *datastore) CreateCollection(alias, title string, userID int64) (*Collection, error) {
if db.PostIDExists(alias) {
return nil, impart.HTTPError{http.StatusConflict, "Invalid collection name."}
}
// All good, so create new collection
res, err := db.Exec("INSERT INTO collections (alias, title, description, privacy, owner_id, view_count) VALUES (?, ?, ?, ?, ?, ?)", alias, title, "", CollUnlisted, userID, 0)
if err != nil {
if db.isDuplicateKeyErr(err) {
return nil, impart.HTTPError{http.StatusConflict, "Collection already exists."}
}
log.Error("Couldn't add to collections: %v\n", err)
return nil, err
}
c := &Collection{
Alias: alias,
Title: title,
OwnerID: userID,
PublicOwner: false,
}
c.ID, err = res.LastInsertId()
if err != nil {
log.Error("Couldn't get collection LastInsertId: %v\n", err)
}
return c, nil
}
func (db *datastore) GetUserByID(id int64) (*User, error) {
u := &User{ID: id}
err := db.QueryRow("SELECT username, password, email, created FROM users WHERE id = ?", id).Scan(&u.Username, &u.HashedPass, &u.Email, &u.Created)
switch {
case err == sql.ErrNoRows:
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password: %v", err)
return nil, err
}
return u, nil
}
// DoesUserNeedAuth returns true if the user hasn't provided any methods for
// authenticating with the account, such a passphrase or email address.
// Any errors are reported to admin and silently quashed, returning false as the
// result.
func (db *datastore) DoesUserNeedAuth(id int64) bool {
var pass, email []byte
// Find out if user has an email set first
err := db.QueryRow("SELECT password, email FROM users WHERE id = ?", id).Scan(&pass, &email)
switch {
case err == sql.ErrNoRows:
// ERROR. Don't give false positives on needing auth methods
return false
case err != nil:
// ERROR. Don't give false positives on needing auth methods
log.Error("Couldn't SELECT user %d from users: %v", id, err)
return false
}
// User doesn't need auth if there's an email
return len(email) == 0 && len(pass) == 0
}
func (db *datastore) IsUserPassSet(id int64) (bool, error) {
var pass []byte
err := db.QueryRow("SELECT password FROM users WHERE id = ?", id).Scan(&pass)
switch {
case err == sql.ErrNoRows:
return false, nil
case err != nil:
log.Error("Couldn't SELECT user %d from users: %v", id, err)
return false, err
}
return len(pass) > 0, nil
}
func (db *datastore) GetUserForAuth(username string) (*User, error) {
u := &User{Username: username}
err := db.QueryRow("SELECT id, password, email, created FROM users WHERE username = ?", username).Scan(&u.ID, &u.HashedPass, &u.Email, &u.Created)
switch {
case err == sql.ErrNoRows:
// Check if they've entered the wrong, unnormalized username
username = getSlug(username, "")
if username != u.Username {
err = db.QueryRow("SELECT id FROM users WHERE username = ? LIMIT 1", username).Scan(&u.ID)
if err == nil {
return db.GetUserForAuth(username)
}
}
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password: %v", err)
return nil, err
}
return u, nil
}
func (db *datastore) GetUserForAuthByID(userID int64) (*User, error) {
u := &User{ID: userID}
err := db.QueryRow("SELECT id, password, email, created FROM users WHERE id = ?", u.ID).Scan(&u.ID, &u.HashedPass, &u.Email, &u.Created)
switch {
case err == sql.ErrNoRows:
return nil, ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT userForAuthByID: %v", err)
return nil, err
}
return u, nil
}
func (db *datastore) GetUserNameFromToken(accessToken string) (string, error) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return "", ErrNoAccessToken
}
var oneTime bool
var username string
err := db.QueryRow("SELECT username, one_time FROM accesstokens LEFT JOIN users ON user_id = id WHERE token = ? AND (expires IS NULL OR expires > NOW())", t).Scan(&username, &oneTime)
switch {
case err == sql.ErrNoRows:
return "", ErrBadAccessToken
case err != nil:
return "", ErrInternalGeneral
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return username, nil
}
func (db *datastore) GetUserDataFromToken(accessToken string) (int64, string, error) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return 0, "", ErrNoAccessToken
}
var userID int64
var oneTime bool
var username string
err := db.QueryRow("SELECT user_id, username, one_time FROM accesstokens LEFT JOIN users ON user_id = id WHERE token = ? AND (expires IS NULL OR expires > NOW())", t).Scan(&userID, &username, &oneTime)
switch {
case err == sql.ErrNoRows:
return 0, "", ErrBadAccessToken
case err != nil:
return 0, "", ErrInternalGeneral
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return userID, username, nil
}
func (db *datastore) GetAPIUser(header string) (*User, error) {
uID := db.GetUserID(header)
if uID == -1 {
return nil, fmt.Errorf(ErrUserNotFound.Error())
}
return db.GetUserByID(uID)
}
// GetUserID takes a hexadecimal accessToken, parses it into its binary
// representation, and gets any user ID associated with the token. If no user
// is associated, -1 is returned.
func (db *datastore) GetUserID(accessToken string) int64 {
i, _ := db.GetUserIDPrivilege(accessToken)
return i
}
func (db *datastore) GetUserIDPrivilege(accessToken string) (userID int64, sudo bool) {
t := auth.GetToken(accessToken)
if len(t) == 0 {
return -1, false
}
var oneTime bool
err := db.QueryRow("SELECT user_id, sudo, one_time FROM accesstokens WHERE token = ? AND (expires IS NULL OR expires > NOW())", t).Scan(&userID, &sudo, &oneTime)
switch {
case err == sql.ErrNoRows:
return -1, false
case err != nil:
return -1, false
}
// Delete token if it was one-time
if oneTime {
db.DeleteToken(t[:])
}
return
}
func (db *datastore) DeleteToken(accessToken []byte) error {
res, err := db.Exec("DELETE FROM accesstokens WHERE token = ?", accessToken)
if err != nil {
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
return impart.HTTPError{http.StatusNotFound, "Token is invalid or doesn't exist"}
}
return nil
}
// FetchLastAccessToken creates a new non-expiring, valid access token for the given
// userID.
func (db *datastore) FetchLastAccessToken(userID int64) string {
var t []byte
err := db.QueryRow("SELECT token FROM accesstokens WHERE user_id = ? AND (expires IS NULL OR expires > NOW()) ORDER BY created DESC LIMIT 1", userID).Scan(&t)
switch {
case err == sql.ErrNoRows:
return ""
case err != nil:
log.Error("Failed selecting from accesstoken: %v", err)
return ""
}
u, err := uuid.Parse(t)
if err != nil {
return ""
}
return u.String()
}
// GetAccessToken creates a new non-expiring, valid access token for the given
// userID.
func (db *datastore) GetAccessToken(userID int64) (string, error) {
return db.GetTemporaryOneTimeAccessToken(userID, 0, false)
}
// GetTemporaryAccessToken creates a new valid access token for the given
// userID that remains valid for the given time in seconds. If validSecs is 0,
// the access token doesn't automatically expire.
func (db *datastore) GetTemporaryAccessToken(userID int64, validSecs int) (string, error) {
return db.GetTemporaryOneTimeAccessToken(userID, validSecs, false)
}
// GetTemporaryOneTimeAccessToken creates a new valid access token for the given
// userID that remains valid for the given time in seconds and can only be used
// once if oneTime is true. If validSecs is 0, the access token doesn't
// automatically expire.
func (db *datastore) GetTemporaryOneTimeAccessToken(userID int64, validSecs int, oneTime bool) (string, error) {
u, err := uuid.NewV4()
if err != nil {
log.Error("Unable to generate token: %v", err)
return "", err
}
// Insert UUID to `accesstokens`
binTok := u[:]
expirationVal := "NULL"
if validSecs > 0 {
expirationVal = fmt.Sprintf("DATE_ADD(NOW(), INTERVAL %d SECOND)", validSecs)
}
_, err = db.Exec("INSERT INTO accesstokens (token, user_id, one_time, expires) VALUES (?, ?, ?, "+expirationVal+")", string(binTok), userID, oneTime)
if err != nil {
log.Error("Couldn't INSERT accesstoken: %v", err)
return "", err
}
return u.String(), nil
}
func (db *datastore) CreateOwnedPost(post *SubmittedPost, accessToken, collAlias string) (*PublicPost, error) {
var userID, collID int64 = -1, -1
var coll *Collection
var err error
if accessToken != "" {
userID = db.GetUserID(accessToken)
if userID == -1 {
return nil, ErrBadAccessToken
}
if collAlias != "" {
coll, err = db.GetCollection(collAlias)
if err != nil {
return nil, err
}
if coll.OwnerID != userID {
return nil, ErrForbiddenCollection
}
collID = coll.ID
}
}
rp := &PublicPost{}
rp.Post, err = db.CreatePost(userID, collID, post)
if err != nil {
return rp, err
}
if coll != nil {
coll.ForPublic()
rp.Collection = &CollectionObj{Collection: *coll}
}
return rp, nil
}
func (db *datastore) CreatePost(userID, collID int64, post *SubmittedPost) (*Post, error) {
idLen := postIDLen
friendlyID := store.GenerateFriendlyRandomString(idLen)
// Handle appearance / font face
appearance := post.Font
if !post.isFontValid() {
appearance = "norm"
}
var err error
ownerID := sql.NullInt64{
Valid: false,
}
ownerCollID := sql.NullInt64{
Valid: false,
}
slug := sql.NullString{"", false}
// If an alias was supplied, we'll add this to the collection as well.
if userID > 0 {
ownerID.Int64 = userID
ownerID.Valid = true
if collID > 0 {
ownerCollID.Int64 = collID
ownerCollID.Valid = true
var slugVal string
if post.Title != nil && *post.Title != "" {
slugVal = getSlug(*post.Title, post.Language.String)
if slugVal == "" {
slugVal = getSlug(*post.Content, post.Language.String)
}
} else {
slugVal = getSlug(*post.Content, post.Language.String)
}
if slugVal == "" {
slugVal = friendlyID
}
slug = sql.NullString{slugVal, true}
}
}
created := time.Now()
if db.driverName == driverSQLite {
// SQLite stores datetimes in UTC, so convert time.Now() to it here
created = created.UTC()
}
if post.Created != nil {
created, err = time.Parse("2006-01-02T15:04:05Z", *post.Created)
if err != nil {
log.Error("Unable to parse Created time '%s': %v", *post.Created, err)
created = time.Now()
if db.driverName == driverSQLite {
// SQLite stores datetimes in UTC, so convert time.Now() to it here
created = created.UTC()
}
}
}
stmt, err := db.Prepare("INSERT INTO posts (id, slug, title, content, text_appearance, language, rtl, privacy, owner_id, collection_id, created, updated, view_count) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, " + db.now() + ", ?)")
if err != nil {
return nil, err
}
defer stmt.Close()
_, err = stmt.Exec(friendlyID, slug, post.Title, post.Content, appearance, post.Language, post.IsRTL, 0, ownerID, ownerCollID, created, 0)
if err != nil {
if db.isDuplicateKeyErr(err) {
// Duplicate entry error; try a new slug
// TODO: make this a little more robust
slug = sql.NullString{id.GenSafeUniqueSlug(slug.String), true}
_, err = stmt.Exec(friendlyID, slug, post.Title, post.Content, appearance, post.Language, post.IsRTL, 0, ownerID, ownerCollID, created, 0)
if err != nil {
return nil, handleFailedPostInsert(fmt.Errorf("Retried slug generation, still failed: %v", err))
}
} else {
return nil, handleFailedPostInsert(err)
}
}
// TODO: return Created field in proper format
return &Post{
ID: friendlyID,
Slug: null.NewString(slug.String, slug.Valid),
Font: appearance,
Language: zero.NewString(post.Language.String, post.Language.Valid),
RTL: zero.NewBool(post.IsRTL.Bool, post.IsRTL.Valid),
OwnerID: null.NewInt(userID, true),
CollectionID: null.NewInt(userID, true),
Created: created.Truncate(time.Second).UTC(),
Updated: time.Now().Truncate(time.Second).UTC(),
Title: zero.NewString(*(post.Title), true),
Content: *(post.Content),
}, nil
}
// UpdateOwnedPost updates an existing post with only the given fields in the
// supplied AuthenticatedPost.
func (db *datastore) UpdateOwnedPost(post *AuthenticatedPost, userID int64) error {
params := []interface{}{}
var queryUpdates, sep, authCondition string
if post.Slug != nil && *post.Slug != "" {
queryUpdates += sep + "slug = ?"
sep = ", "
params = append(params, getSlug(*post.Slug, ""))
}
if post.Content != nil {
queryUpdates += sep + "content = ?"
sep = ", "
params = append(params, post.Content)
}
if post.Title != nil {
queryUpdates += sep + "title = ?"
sep = ", "
params = append(params, post.Title)
}
if post.Language.Valid {
queryUpdates += sep + "language = ?"
sep = ", "
params = append(params, post.Language.String)
}
if post.IsRTL.Valid {
queryUpdates += sep + "rtl = ?"
sep = ", "
params = append(params, post.IsRTL.Bool)
}
if post.Font != "" {
queryUpdates += sep + "text_appearance = ?"
sep = ", "
params = append(params, post.Font)
}
if post.Created != nil {
createTime, err := time.Parse(postMetaDateFormat, *post.Created)
if err != nil {
log.Error("Unable to parse Created date: %v", err)
return fmt.Errorf("That's the incorrect format for Created date.")
}
queryUpdates += sep + "created = ?"
sep = ", "
params = append(params, createTime)
}
// WHERE parameters...
// id = ?
params = append(params, post.ID)
// AND owner_id = ?
authCondition = "(owner_id = ?)"
params = append(params, userID)
if queryUpdates == "" {
return ErrPostNoUpdatableVals
}
queryUpdates += sep + "updated = " + db.now()
res, err := db.Exec("UPDATE posts SET "+queryUpdates+" WHERE id = ? AND "+authCondition, params...)
if err != nil {
log.Error("Unable to update owned post: %v", err)
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM posts WHERE id = ? AND "+authCondition, post.ID, params[len(params)-1]).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedEditPost
case err != nil:
log.Error("Failed selecting from posts: %v", err)
}
return nil
}
return nil
}
func (db *datastore) GetCollectionBy(condition string, value interface{}) (*Collection, error) {
c := &Collection{}
// FIXME: change Collection to reflect database values. Add helper functions to get actual values
var styleSheet, script, format zero.String
row := db.QueryRow("SELECT id, alias, title, description, style_sheet, script, format, owner_id, privacy, view_count FROM collections WHERE "+condition, value)
err := row.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &styleSheet, &script, &format, &c.OwnerID, &c.Visibility, &c.Views)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Collection doesn't exist."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
c.StyleSheet = styleSheet.String
c.Script = script.String
c.Format = format.String
c.Public = c.IsPublic()
c.db = db
return c, nil
}
func (db *datastore) GetCollection(alias string) (*Collection, error) {
return db.GetCollectionBy("alias = ?", alias)
}
func (db *datastore) GetCollectionForPad(alias string) (*Collection, error) {
c := &Collection{Alias: alias}
row := db.QueryRow("SELECT id, alias, title, description, privacy FROM collections WHERE alias = ?", alias)
err := row.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility)
switch {
case err == sql.ErrNoRows:
return c, impart.HTTPError{http.StatusNotFound, "Collection doesn't exist."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return c, ErrInternalGeneral
}
c.Public = c.IsPublic()
return c, nil
}
func (db *datastore) GetCollectionByID(id int64) (*Collection, error) {
return db.GetCollectionBy("id = ?", id)
}
func (db *datastore) GetCollectionFromDomain(host string) (*Collection, error) {
return db.GetCollectionBy("host = ?", host)
}
func (db *datastore) UpdateCollection(c *SubmittedCollection, alias string) error {
q := query.NewUpdate().
SetStringPtr(c.Title, "title").
SetStringPtr(c.Description, "description").
SetNullString(c.StyleSheet, "style_sheet").
SetNullString(c.Script, "script")
if c.Format != nil {
cf := &CollectionFormat{Format: c.Format.String}
if cf.Valid() {
q.SetNullString(c.Format, "format")
}
}
var updatePass bool
if c.Visibility != nil && (collVisibility(*c.Visibility)&CollProtected == 0 || c.Pass != "") {
q.SetIntPtr(c.Visibility, "privacy")
if c.Pass != "" {
updatePass = true
}
}
// WHERE values
q.Where("alias = ? AND owner_id = ?", alias, c.OwnerID)
if q.Updates == "" {
return ErrPostNoUpdatableVals
}
// Find any current domain
var collID int64
var rowsAffected int64
var changed bool
var res sql.Result
err := db.QueryRow("SELECT id FROM collections WHERE alias = ?", alias).Scan(&collID)
if err != nil {
log.Error("Failed selecting from collections: %v. Some things won't work.", err)
}
// Update MathJax value
if c.MathJax {
if db.driverName == driverSQLite {
_, err = db.Exec("INSERT OR REPLACE INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?)", collID, "render_mathjax", "1")
} else {
_, err = db.Exec("INSERT INTO collectionattributes (collection_id, attribute, value) VALUES (?, ?, ?) "+db.upsert("collection_id", "attribute")+" value = ?", collID, "render_mathjax", "1", "1")
}
if err != nil {
log.Error("Unable to insert render_mathjax value: %v", err)
return err
}
} else {
_, err = db.Exec("DELETE FROM collectionattributes WHERE collection_id = ? AND attribute = ?", collID, "render_mathjax")
if err != nil {
log.Error("Unable to delete render_mathjax value: %v", err)
return err
}
}
// Update rest of the collection data
res, err = db.Exec("UPDATE collections SET "+q.Updates+" WHERE "+q.Conditions, q.Params...)
if err != nil {
log.Error("Unable to update collection: %v", err)
return err
}
rowsAffected, _ = res.RowsAffected()
if !changed || rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM collections WHERE alias = ? AND owner_id = ?", alias, c.OwnerID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedEditPost
case err != nil:
log.Error("Failed selecting from collections: %v", err)
}
if !updatePass {
return nil
}
}
if updatePass {
hashedPass, err := auth.HashPass([]byte(c.Pass))
if err != nil {
log.Error("Unable to create hash: %s", err)
return impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."}
}
if db.driverName == driverSQLite {
_, err = db.Exec("INSERT OR REPLACE INTO collectionpasswords (collection_id, password) VALUES ((SELECT id FROM collections WHERE alias = ?), ?)", alias, hashedPass)
} else {
_, err = db.Exec("INSERT INTO collectionpasswords (collection_id, password) VALUES ((SELECT id FROM collections WHERE alias = ?), ?) "+db.upsert("collection_id")+" password = ?", alias, hashedPass, hashedPass)
}
if err != nil {
return err
}
}
return nil
}
const postCols = "id, slug, text_appearance, language, rtl, privacy, owner_id, collection_id, pinned_position, created, updated, view_count, title, content"
// getEditablePost returns a PublicPost with the given ID only if the given
// edit token is valid for the post.
func (db *datastore) GetEditablePost(id, editToken string) (*PublicPost, error) {
// FIXME: code duplicated from getPost()
// TODO: add slight logic difference to getPost / one func
var ownerName sql.NullString
p := &Post{}
row := db.QueryRow("SELECT "+postCols+", (SELECT username FROM users WHERE users.id = posts.owner_id) AS username FROM posts WHERE id = ? LIMIT 1", id)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content, &ownerName)
switch {
case err == sql.ErrNoRows:
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
if ownerName.Valid {
res.Owner = &PublicUser{Username: ownerName.String}
}
return &res, nil
}
func (db *datastore) PostIDExists(id string) bool {
var dummy bool
err := db.QueryRow("SELECT 1 FROM posts WHERE id = ?", id).Scan(&dummy)
return err == nil && dummy
}
// GetPost gets a public-facing post object from the database. If collectionID
// is > 0, the post will be retrieved by slug and collection ID, rather than
// post ID.
// TODO: break this into two functions:
// - GetPost(id string)
// - GetCollectionPost(slug string, collectionID int64)
func (db *datastore) GetPost(id string, collectionID int64) (*PublicPost, error) {
var ownerName sql.NullString
p := &Post{}
var row *sql.Row
var where string
params := []interface{}{id}
if collectionID > 0 {
where = "slug = ? AND collection_id = ?"
params = append(params, collectionID)
} else {
where = "id = ?"
}
row = db.QueryRow("SELECT "+postCols+", (SELECT username FROM users WHERE users.id = posts.owner_id) AS username FROM posts WHERE "+where+" LIMIT 1", params...)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content, &ownerName)
switch {
case err == sql.ErrNoRows:
if collectionID > 0 {
return nil, ErrCollectionPageNotFound
}
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
if ownerName.Valid {
res.Owner = &PublicUser{Username: ownerName.String}
}
return &res, nil
}
// TODO: don't duplicate getPost() functionality
func (db *datastore) GetOwnedPost(id string, ownerID int64) (*PublicPost, error) {
p := &Post{}
var row *sql.Row
where := "id = ? AND owner_id = ?"
params := []interface{}{id, ownerID}
row = db.QueryRow("SELECT "+postCols+" FROM posts WHERE "+where+" LIMIT 1", params...)
err := row.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
switch {
case err == sql.ErrNoRows:
return nil, ErrPostNotFound
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return nil, err
}
if p.Content == "" {
return nil, ErrPostUnpublished
}
res := p.processPost()
return &res, nil
}
func (db *datastore) GetPostProperty(id string, collectionID int64, property string) (interface{}, error) {
propSelects := map[string]string{
"views": "view_count AS views",
}
selectQuery, ok := propSelects[property]
if !ok {
return nil, impart.HTTPError{http.StatusBadRequest, fmt.Sprintf("Invalid property: %s.", property)}
}
var res interface{}
var row *sql.Row
if collectionID != 0 {
row = db.QueryRow("SELECT "+selectQuery+" FROM posts WHERE slug = ? AND collection_id = ? LIMIT 1", id, collectionID)
} else {
row = db.QueryRow("SELECT "+selectQuery+" FROM posts WHERE id = ? LIMIT 1", id)
}
err := row.Scan(&res)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Post not found."}
case err != nil:
log.Error("Failed selecting post: %v", err)
return nil, err
}
return res, nil
}
// GetPostsCount modifies the CollectionObj to include the correct number of
// standard (non-pinned) posts. It will return future posts if `includeFuture`
// is true.
func (db *datastore) GetPostsCount(c *CollectionObj, includeFuture bool) {
var count int64
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE collection_id = ? AND pinned_position IS NULL "+timeCondition, c.ID).Scan(&count)
switch {
case err == sql.ErrNoRows:
c.TotalPosts = 0
case err != nil:
log.Error("Failed selecting from collections: %v", err)
c.TotalPosts = 0
}
c.TotalPosts = int(count)
}
-// GetPosts retrieves all standard (non-pinned) posts for the given Collection.
+// GetPosts retrieves all posts for the given Collection.
// It will return future posts if `includeFuture` is true.
+// It will include only standard (non-pinned) posts unless `includePinned` is true.
// TODO: change includeFuture to isOwner, since that's how it's used
-func (db *datastore) GetPosts(c *Collection, page int, includeFuture, forceRecentFirst bool) (*[]PublicPost, error) {
+func (db *datastore) GetPosts(c *Collection, page int, includeFuture, forceRecentFirst, includePinned bool) (*[]PublicPost, error) {
collID := c.ID
cf := c.NewFormat()
order := "DESC"
if cf.Ascending() && !forceRecentFirst {
order = "ASC"
}
pagePosts := cf.PostsPerPage()
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
- rows, err := db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND pinned_position IS NULL "+timeCondition+" ORDER BY created "+order+limitStr, collID)
+ pinnedCondition := ""
+ if !includePinned {
+ pinnedCondition = "AND pinned_position IS NULL"
+ }
+ rows, err := db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? "+pinnedCondition+" "+timeCondition+" ORDER BY created "+order+limitStr, collID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts."}
}
defer rows.Close()
// TODO: extract this common row scanning logic for queries using `postCols`
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.formatContent(c, includeFuture)
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
// GetPostsTagged retrieves all posts on the given Collection that contain the
// given tag.
// It will return future posts if `includeFuture` is true.
// TODO: change includeFuture to isOwner, since that's how it's used
func (db *datastore) GetPostsTagged(c *Collection, tag string, page int, includeFuture bool) (*[]PublicPost, error) {
collID := c.ID
cf := c.NewFormat()
order := "DESC"
if cf.Ascending() {
order = "ASC"
}
pagePosts := cf.PostsPerPage()
start := page*pagePosts - pagePosts
if page == 0 {
start = 0
pagePosts = 1000
}
limitStr := ""
if page > 0 {
limitStr = fmt.Sprintf(" LIMIT %d, %d", start, pagePosts)
}
timeCondition := ""
if !includeFuture {
timeCondition = "AND created <= " + db.now()
}
var rows *sql.Rows
var err error
if db.driverName == driverSQLite {
rows, err = db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND LOWER(content) regexp ? "+timeCondition+" ORDER BY created "+order+limitStr, collID, `.*#`+strings.ToLower(tag)+`\b.*`)
} else {
rows, err = db.Query("SELECT "+postCols+" FROM posts WHERE collection_id = ? AND LOWER(content) RLIKE ? "+timeCondition+" ORDER BY created "+order+limitStr, collID, "#"+strings.ToLower(tag)+"[[:>:]]")
}
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve collection posts."}
}
defer rows.Close()
// TODO: extract this common row scanning logic for queries using `postCols`
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Font, &p.Language, &p.RTL, &p.Privacy, &p.OwnerID, &p.CollectionID, &p.PinnedPosition, &p.Created, &p.Updated, &p.ViewCount, &p.Title, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
p.formatContent(c, includeFuture)
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
func (db *datastore) GetAPFollowers(c *Collection) (*[]RemoteUser, error) {
rows, err := db.Query("SELECT actor_id, inbox, shared_inbox FROM remotefollows f INNER JOIN remoteusers u ON f.remote_user_id = u.id WHERE collection_id = ?", c.ID)
if err != nil {
log.Error("Failed selecting from followers: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve followers."}
}
defer rows.Close()
followers := []RemoteUser{}
for rows.Next() {
f := RemoteUser{}
err = rows.Scan(&f.ActorID, &f.Inbox, &f.SharedInbox)
followers = append(followers, f)
}
return &followers, nil
}
// CanCollect returns whether or not the given user can add the given post to a
// collection. This is true when a post is already owned by the user.
// NOTE: this is currently only used to potentially add owned posts to a
// collection. This has the SIDE EFFECT of also generating a slug for the post.
// FIXME: make this side effect more explicit (or extract it)
func (db *datastore) CanCollect(cpr *ClaimPostRequest, userID int64) bool {
var title, content string
var lang sql.NullString
err := db.QueryRow("SELECT title, content, language FROM posts WHERE id = ? AND owner_id = ?", cpr.ID, userID).Scan(&title, &content, &lang)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Failed on post CanCollect(%s, %d): %v", cpr.ID, userID, err)
return false
}
// Since we have the post content and the post is collectable, generate the
// post's slug now.
cpr.Slug = getSlugFromPost(title, content, lang.String)
return true
}
func (db *datastore) AttemptClaim(p *ClaimPostRequest, query string, params []interface{}, slugIdx int) (sql.Result, error) {
qRes, err := db.Exec(query, params...)
if err != nil {
if db.isDuplicateKeyErr(err) && slugIdx > -1 {
s := id.GenSafeUniqueSlug(p.Slug)
if s == p.Slug {
// Sanity check to prevent infinite recursion
return qRes, fmt.Errorf("GenSafeUniqueSlug generated nothing unique: %s", s)
}
p.Slug = s
params[slugIdx] = p.Slug
return db.AttemptClaim(p, query, params, slugIdx)
}
return qRes, fmt.Errorf("attemptClaim: %s", err)
}
return qRes, nil
}
func (db *datastore) DispersePosts(userID int64, postIDs []string) (*[]ClaimPostResult, error) {
postClaimReqs := map[string]bool{}
res := []ClaimPostResult{}
for i := range postIDs {
postID := postIDs[i]
r := ClaimPostResult{Code: 0, ErrorMessage: ""}
// Perform post validation
if postID == "" {
r.ErrorMessage = "Missing post ID. "
}
if _, ok := postClaimReqs[postID]; ok {
r.Code = 429
r.ErrorMessage = "You've already tried anonymizing this post."
r.ID = postID
res = append(res, r)
continue
}
postClaimReqs[postID] = true
var err error
// Get full post information to return
var fullPost *PublicPost
fullPost, err = db.GetPost(postID, 0)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
r.ID = postID
res = append(res, r)
continue
} else {
log.Error("Error getting post in dispersePosts: %v", err)
}
}
if fullPost.OwnerID.Int64 != userID {
r.Code = http.StatusConflict
r.ErrorMessage = "Post is already owned by someone else."
r.ID = postID
res = append(res, r)
continue
}
var qRes sql.Result
var query string
var params []interface{}
// Do AND owner_id = ? for sanity.
// This should've been caught and returned with a good error message
// just above.
query = "UPDATE posts SET collection_id = NULL WHERE id = ? AND owner_id = ?"
params = []interface{}{postID, userID}
qRes, err = db.Exec(query, params...)
if err != nil {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "A glitch happened on our end."
r.ID = postID
res = append(res, r)
log.Error("dispersePosts (post %s): %v", postID, err)
continue
}
// Post was successfully dispersed
r.Code = http.StatusOK
r.Post = fullPost
rowsAffected, _ := qRes.RowsAffected()
if rowsAffected == 0 {
// This was already claimed, but return 200
r.Code = http.StatusOK
}
res = append(res, r)
}
return &res, nil
}
func (db *datastore) ClaimPosts(userID int64, collAlias string, posts *[]ClaimPostRequest) (*[]ClaimPostResult, error) {
postClaimReqs := map[string]bool{}
res := []ClaimPostResult{}
postCollAlias := collAlias
for i := range *posts {
p := (*posts)[i]
if &p == nil {
continue
}
r := ClaimPostResult{Code: 0, ErrorMessage: ""}
// Perform post validation
if p.ID == "" {
r.ErrorMessage = "Missing post ID `id`. "
}
if _, ok := postClaimReqs[p.ID]; ok {
r.Code = 429
r.ErrorMessage = "You've already tried claiming this post."
r.ID = p.ID
res = append(res, r)
continue
}
postClaimReqs[p.ID] = true
canCollect := db.CanCollect(&p, userID)
if !canCollect && p.Token == "" {
// TODO: ensure post isn't owned by anyone else when a valid modify
// token is given.
r.ErrorMessage += "Missing post Edit Token `token`."
}
if r.ErrorMessage != "" {
// Post validate failed
r.Code = http.StatusBadRequest
r.ID = p.ID
res = append(res, r)
continue
}
var err error
var qRes sql.Result
var query string
var params []interface{}
var slugIdx int = -1
var coll *Collection
if collAlias == "" {
// Posts are being claimed at /posts/claim, not
// /collections/{alias}/collect, so use given individual collection
// to associate post with.
postCollAlias = p.CollectionAlias
}
if postCollAlias != "" {
// Associate this post with a collection
if p.CreateCollection {
// This is a new collection
// TODO: consider removing this. This seriously complicates this
// method and adds another (unnecessary?) logic path.
coll, err = db.CreateCollection(postCollAlias, "", userID)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
} else {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "Unknown error occurred creating collection"
}
r.ID = p.ID
res = append(res, r)
continue
}
} else {
// Attempt to add to existing collection
coll, err = db.GetCollection(postCollAlias)
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
if err.Status == http.StatusNotFound {
// Show obfuscated "forbidden" response, as if attempting to add to an
// unowned blog.
r.Code = ErrForbiddenCollection.Status
r.ErrorMessage = ErrForbiddenCollection.Message
} else {
r.Code = err.Status
r.ErrorMessage = err.Message
}
} else {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "Unknown error occurred claiming post with collection"
}
r.ID = p.ID
res = append(res, r)
continue
}
if coll.OwnerID != userID {
r.Code = ErrForbiddenCollection.Status
r.ErrorMessage = ErrForbiddenCollection.Message
r.ID = p.ID
res = append(res, r)
continue
}
}
if p.Slug == "" {
p.Slug = p.ID
}
if canCollect {
// User already owns this post, so just add it to the given
// collection.
query = "UPDATE posts SET collection_id = ?, slug = ? WHERE id = ? AND owner_id = ?"
params = []interface{}{coll.ID, p.Slug, p.ID, userID}
slugIdx = 1
} else {
query = "UPDATE posts SET owner_id = ?, collection_id = ?, slug = ? WHERE id = ? AND modify_token = ? AND owner_id IS NULL"
params = []interface{}{userID, coll.ID, p.Slug, p.ID, p.Token}
slugIdx = 2
}
} else {
query = "UPDATE posts SET owner_id = ? WHERE id = ? AND modify_token = ? AND owner_id IS NULL"
params = []interface{}{userID, p.ID, p.Token}
}
qRes, err = db.AttemptClaim(&p, query, params, slugIdx)
if err != nil {
r.Code = http.StatusInternalServerError
r.ErrorMessage = "An unknown error occurred."
r.ID = p.ID
res = append(res, r)
log.Error("claimPosts (post %s): %v", p.ID, err)
continue
}
// Get full post information to return
var fullPost *PublicPost
if p.Token != "" {
fullPost, err = db.GetEditablePost(p.ID, p.Token)
} else {
fullPost, err = db.GetPost(p.ID, 0)
}
if err != nil {
if err, ok := err.(impart.HTTPError); ok {
r.Code = err.Status
r.ErrorMessage = err.Message
r.ID = p.ID
res = append(res, r)
continue
}
}
if fullPost.OwnerID.Int64 != userID {
r.Code = http.StatusConflict
r.ErrorMessage = "Post is already owned by someone else."
r.ID = p.ID
res = append(res, r)
continue
}
// Post was successfully claimed
r.Code = http.StatusOK
r.Post = fullPost
if coll != nil {
r.Post.Collection = &CollectionObj{Collection: *coll}
}
rowsAffected, _ := qRes.RowsAffected()
if rowsAffected == 0 {
// This was already claimed, but return 200
r.Code = http.StatusOK
}
res = append(res, r)
}
return &res, nil
}
func (db *datastore) UpdatePostPinState(pinned bool, postID string, collID, ownerID, pos int64) error {
if pos <= 0 || pos > 20 {
pos = db.GetLastPinnedPostPos(collID) + 1
if pos == -1 {
pos = 1
}
}
var err error
if pinned {
_, err = db.Exec("UPDATE posts SET pinned_position = ? WHERE id = ?", pos, postID)
} else {
_, err = db.Exec("UPDATE posts SET pinned_position = NULL WHERE id = ?", postID)
}
if err != nil {
log.Error("Unable to update pinned post: %v", err)
return err
}
return nil
}
func (db *datastore) GetLastPinnedPostPos(collID int64) int64 {
var lastPos sql.NullInt64
err := db.QueryRow("SELECT MAX(pinned_position) FROM posts WHERE collection_id = ? AND pinned_position IS NOT NULL", collID).Scan(&lastPos)
switch {
case err == sql.ErrNoRows:
return -1
case err != nil:
log.Error("Failed selecting from posts: %v", err)
return -1
}
if !lastPos.Valid {
return -1
}
return lastPos.Int64
}
func (db *datastore) GetPinnedPosts(coll *CollectionObj) (*[]PublicPost, error) {
// FIXME: sqlite-backed instances don't include ellipsis on truncated titles
rows, err := db.Query("SELECT id, slug, title, "+db.clip("content", 80)+", pinned_position FROM posts WHERE collection_id = ? AND pinned_position IS NOT NULL ORDER BY pinned_position ASC", coll.ID)
if err != nil {
log.Error("Failed selecting pinned posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve pinned posts."}
}
defer rows.Close()
posts := []PublicPost{}
for rows.Next() {
p := &Post{}
err = rows.Scan(&p.ID, &p.Slug, &p.Title, &p.Content, &p.PinnedPosition)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
pp := p.processPost()
pp.Collection = coll
posts = append(posts, pp)
}
return &posts, nil
}
func (db *datastore) GetCollections(u *User) (*[]Collection, error) {
rows, err := db.Query("SELECT id, alias, title, description, privacy, view_count FROM collections WHERE owner_id = ? ORDER BY id ASC", u.ID)
if err != nil {
log.Error("Failed selecting from collections: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user collections."}
}
defer rows.Close()
colls := []Collection{}
for rows.Next() {
c := Collection{}
err = rows.Scan(&c.ID, &c.Alias, &c.Title, &c.Description, &c.Visibility, &c.Views)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
c.URL = c.CanonicalURL()
c.Public = c.IsPublic()
colls = append(colls, c)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &colls, nil
}
func (db *datastore) GetPublishableCollections(u *User) (*[]Collection, error) {
c, err := db.GetCollections(u)
if err != nil {
return nil, err
}
if len(*c) == 0 {
return nil, impart.HTTPError{http.StatusInternalServerError, "You don't seem to have any blogs; they might've moved to another account. Try logging out and logging into your other account."}
}
return c, nil
}
func (db *datastore) GetMeStats(u *User) userMeStats {
s := userMeStats{}
// User counts
colls, _ := db.GetUserCollectionCount(u.ID)
s.TotalCollections = colls
var articles, collPosts uint64
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ? AND collection_id IS NULL", u.ID).Scan(&articles)
if err != nil && err != sql.ErrNoRows {
log.Error("Couldn't get articles count for user %d: %v", u.ID, err)
}
s.TotalArticles = articles
err = db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ? AND collection_id IS NOT NULL", u.ID).Scan(&collPosts)
if err != nil && err != sql.ErrNoRows {
log.Error("Couldn't get coll posts count for user %d: %v", u.ID, err)
}
s.CollectionPosts = collPosts
return s
}
func (db *datastore) GetTotalCollections() (collCount int64, err error) {
err = db.QueryRow(`SELECT COUNT(*) FROM collections`).Scan(&collCount)
if err != nil {
log.Error("Unable to fetch collections count: %v", err)
}
return
}
func (db *datastore) GetTotalPosts() (postCount int64, err error) {
err = db.QueryRow(`SELECT COUNT(*) FROM posts`).Scan(&postCount)
if err != nil {
log.Error("Unable to fetch posts count: %v", err)
}
return
}
func (db *datastore) GetTopPosts(u *User, alias string) (*[]PublicPost, error) {
params := []interface{}{u.ID}
where := ""
if alias != "" {
where = " AND alias = ?"
params = append(params, alias)
}
rows, err := db.Query("SELECT p.id, p.slug, p.view_count, p.title, c.alias, c.title, c.description, c.view_count FROM posts p LEFT JOIN collections c ON p.collection_id = c.id WHERE p.owner_id = ?"+where+" ORDER BY p.view_count DESC, created DESC LIMIT 25", params...)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user top posts."}
}
defer rows.Close()
posts := []PublicPost{}
var gotErr bool
for rows.Next() {
p := Post{}
c := Collection{}
var alias, title, description sql.NullString
var views sql.NullInt64
err = rows.Scan(&p.ID, &p.Slug, &p.ViewCount, &p.Title, &alias, &title, &description, &views)
if err != nil {
log.Error("Failed scanning User.getPosts() row: %v", err)
gotErr = true
break
}
p.extractData()
pubPost := p.processPost()
if alias.Valid && alias.String != "" {
c.Alias = alias.String
c.Title = title.String
c.Description = description.String
c.Views = views.Int64
pubPost.Collection = &CollectionObj{Collection: c}
}
posts = append(posts, pubPost)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
if gotErr && len(posts) == 0 {
// There were a lot of errors
return nil, impart.HTTPError{http.StatusInternalServerError, "Unable to get data."}
}
return &posts, nil
}
func (db *datastore) GetAnonymousPosts(u *User) (*[]PublicPost, error) {
rows, err := db.Query("SELECT id, view_count, title, created, updated, content FROM posts WHERE owner_id = ? AND collection_id IS NULL ORDER BY created DESC", u.ID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user anonymous posts."}
}
defer rows.Close()
posts := []PublicPost{}
for rows.Next() {
p := Post{}
err = rows.Scan(&p.ID, &p.ViewCount, &p.Title, &p.Created, &p.Updated, &p.Content)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
p.extractData()
posts = append(posts, p.processPost())
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return &posts, nil
}
func (db *datastore) GetUserPosts(u *User) (*[]PublicPost, error) {
rows, err := db.Query("SELECT p.id, p.slug, p.view_count, p.title, p.created, p.updated, p.content, p.text_appearance, p.language, p.rtl, c.alias, c.title, c.description, c.view_count FROM posts p LEFT JOIN collections c ON collection_id = c.id WHERE p.owner_id = ? ORDER BY created ASC", u.ID)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user posts."}
}
defer rows.Close()
posts := []PublicPost{}
var gotErr bool
for rows.Next() {
p := Post{}
c := Collection{}
var alias, title, description sql.NullString
var views sql.NullInt64
err = rows.Scan(&p.ID, &p.Slug, &p.ViewCount, &p.Title, &p.Created, &p.Updated, &p.Content, &p.Font, &p.Language, &p.RTL, &alias, &title, &description, &views)
if err != nil {
log.Error("Failed scanning User.getPosts() row: %v", err)
gotErr = true
break
}
p.extractData()
pubPost := p.processPost()
if alias.Valid && alias.String != "" {
c.Alias = alias.String
c.Title = title.String
c.Description = description.String
c.Views = views.Int64
pubPost.Collection = &CollectionObj{Collection: c}
}
posts = append(posts, pubPost)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
if gotErr && len(posts) == 0 {
// There were a lot of errors
return nil, impart.HTTPError{http.StatusInternalServerError, "Unable to get data."}
}
return &posts, nil
}
func (db *datastore) GetUserPostsCount(userID int64) int64 {
var count int64
err := db.QueryRow("SELECT COUNT(*) FROM posts WHERE owner_id = ?", userID).Scan(&count)
switch {
case err == sql.ErrNoRows:
return 0
case err != nil:
log.Error("Failed selecting posts count for user %d: %v", userID, err)
return 0
}
return count
}
// ChangeSettings takes a User and applies the changes in the given
// userSettings, MODIFYING THE USER with successful changes.
func (db *datastore) ChangeSettings(app *app, u *User, s *userSettings) error {
var errPass error
q := query.NewUpdate()
// Update email if given
if s.Email != "" {
encEmail, err := data.Encrypt(app.keys.emailKey, s.Email)
if err != nil {
log.Error("Couldn't encrypt email %s: %s\n", s.Email, err)
return impart.HTTPError{http.StatusInternalServerError, "Unable to encrypt email address."}
}
q.SetBytes(encEmail, "email")
// Update the email if something goes awry updating the password
defer func() {
if errPass != nil {
db.UpdateEncryptedUserEmail(u.ID, encEmail)
}
}()
u.Email = zero.StringFrom(s.Email)
}
// Update username if given
var newUsername string
if s.Username != "" {
var ie *impart.HTTPError
newUsername, ie = getValidUsername(app, s.Username, u.Username)
if ie != nil {
// Username is invalid
return *ie
}
if !author.IsValidUsername(app.cfg, newUsername) {
// Ensure the username is syntactically correct.
return impart.HTTPError{http.StatusPreconditionFailed, "Username isn't valid."}
}
t, err := db.Begin()
if err != nil {
log.Error("Couldn't start username change transaction: %v", err)
return err
}
_, err = t.Exec("UPDATE users SET username = ? WHERE id = ?", newUsername, u.ID)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Unable to update users table: %v", err)
return ErrInternalGeneral
}
_, err = t.Exec("UPDATE collections SET alias = ? WHERE alias = ? AND owner_id = ?", newUsername, u.Username, u.ID)
if err != nil {
t.Rollback()
if db.isDuplicateKeyErr(err) {
return impart.HTTPError{http.StatusConflict, "Username is already taken."}
}
log.Error("Unable to update collection: %v", err)
return ErrInternalGeneral
}
// Keep track of name changes for redirection
db.RemoveCollectionRedirect(t, newUsername)
_, err = t.Exec("UPDATE collectionredirects SET new_alias = ? WHERE new_alias = ?", newUsername, u.Username)
if err != nil {
log.Error("Unable to update collectionredirects: %v", err)
}
_, err = t.Exec("INSERT INTO collectionredirects (prev_alias, new_alias) VALUES (?, ?)", u.Username, newUsername)
if err != nil {
log.Error("Unable to add new collectionredirect: %v", err)
}
err = t.Commit()
if err != nil {
t.Rollback()
log.Error("Rolling back after Commit(): %v\n", err)
return err
}
u.Username = newUsername
}
// Update passphrase if given
if s.NewPass != "" {
// Check if user has already set a password
var err error
u.HasPass, err = db.IsUserPassSet(u.ID)
if err != nil {
errPass = impart.HTTPError{http.StatusInternalServerError, "Unable to retrieve user data."}
return errPass
}
if u.HasPass {
// Check if currently-set password is correct
hashedPass := u.HashedPass
if len(hashedPass) == 0 {
authUser, err := db.GetUserForAuthByID(u.ID)
if err != nil {
errPass = err
return errPass
}
hashedPass = authUser.HashedPass
}
if !auth.Authenticated(hashedPass, []byte(s.OldPass)) {
errPass = impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
return errPass
}
}
hashedPass, err := auth.HashPass([]byte(s.NewPass))
if err != nil {
errPass = impart.HTTPError{http.StatusInternalServerError, "Could not create password hash."}
return errPass
}
q.SetBytes(hashedPass, "password")
}
// WHERE values
q.Append(u.ID)
if q.Updates == "" {
if s.Username == "" {
return ErrPostNoUpdatableVals
}
// Nothing to update except username. That was successful, so return now.
return nil
}
res, err := db.Exec("UPDATE users SET "+q.Updates+" WHERE id = ?", q.Params...)
if err != nil {
log.Error("Unable to update collection: %v", err)
return err
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
// Show the correct error message if nothing was updated
var dummy int
err := db.QueryRow("SELECT 1 FROM users WHERE id = ?", u.ID).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return ErrUnauthorizedGeneral
case err != nil:
log.Error("Failed selecting from users: %v", err)
}
return nil
}
if s.NewPass != "" && !u.HasPass {
u.HasPass = true
}
return nil
}
func (db *datastore) ChangePassphrase(userID int64, sudo bool, curPass string, hashedPass []byte) error {
var dbPass []byte
err := db.QueryRow("SELECT password FROM users WHERE id = ?", userID).Scan(&dbPass)
switch {
case err == sql.ErrNoRows:
return ErrUserNotFound
case err != nil:
log.Error("Couldn't SELECT user password for change: %v", err)
return err
}
if !sudo && !auth.Authenticated(dbPass, []byte(curPass)) {
return impart.HTTPError{http.StatusUnauthorized, "Incorrect password."}
}
_, err = db.Exec("UPDATE users SET password = ? WHERE id = ?", hashedPass, userID)
if err != nil {
log.Error("Could not update passphrase: %v", err)
return err
}
return nil
}
func (db *datastore) RemoveCollectionRedirect(t *sql.Tx, alias string) error {
_, err := t.Exec("DELETE FROM collectionredirects WHERE prev_alias = ?", alias)
if err != nil {
log.Error("Unable to delete from collectionredirects: %v", err)
return err
}
return nil
}
func (db *datastore) GetCollectionRedirect(alias string) (new string) {
row := db.QueryRow("SELECT new_alias FROM collectionredirects WHERE prev_alias = ?", alias)
err := row.Scan(&new)
if err != nil && err != sql.ErrNoRows {
log.Error("Failed selecting from collectionredirects: %v", err)
}
return
}
func (db *datastore) DeleteCollection(alias string, userID int64) error {
c := &Collection{Alias: alias}
var username string
row := db.QueryRow("SELECT username FROM users WHERE id = ?", userID)
err := row.Scan(&username)
if err != nil {
return err
}
// Ensure user isn't deleting their main blog
if alias == username {
return impart.HTTPError{http.StatusForbidden, "You cannot currently delete your primary blog."}
}
row = db.QueryRow("SELECT id FROM collections WHERE alias = ? AND owner_id = ?", alias, userID)
err = row.Scan(&c.ID)
switch {
case err == sql.ErrNoRows:
return impart.HTTPError{http.StatusNotFound, "Collection doesn't exist or you're not allowed to delete it."}
case err != nil:
log.Error("Failed selecting from collections: %v", err)
return ErrInternalGeneral
}
t, err := db.Begin()
if err != nil {
return err
}
// Float all collection's posts
_, err = t.Exec("UPDATE posts SET collection_id = NULL WHERE collection_id = ? AND owner_id = ?", c.ID, userID)
if err != nil {
t.Rollback()
return err
}
// Remove redirects to or from this collection
_, err = t.Exec("DELETE FROM collectionredirects WHERE prev_alias = ? OR new_alias = ?", alias, alias)
if err != nil {
t.Rollback()
return err
}
// Remove any optional collection password
_, err = t.Exec("DELETE FROM collectionpasswords WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
return err
}
// Finally, delete collection itself
_, err = t.Exec("DELETE FROM collections WHERE id = ?", c.ID)
if err != nil {
t.Rollback()
return err
}
err = t.Commit()
if err != nil {
t.Rollback()
return err
}
return nil
}
func (db *datastore) IsCollectionAttributeOn(id int64, attr string) bool {
var v string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&v)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SELECT value in isCollectionAttributeOn for attribute '%s': %v", attr, err)
return false
}
return v == "1"
}
func (db *datastore) CollectionHasAttribute(id int64, attr string) bool {
var dummy string
err := db.QueryRow("SELECT value FROM collectionattributes WHERE collection_id = ? AND attribute = ?", id, attr).Scan(&dummy)
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SELECT value in collectionHasAttribute for attribute '%s': %v", attr, err)
return false
}
return true
}
func (db *datastore) DeleteAccount(userID int64) (l *string, err error) {
debug := ""
l = &debug
t, err := db.Begin()
if err != nil {
stringLogln(l, "Unable to begin: %v", err)
return
}
// Get all collections
rows, err := db.Query("SELECT id, alias FROM collections WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to get collections: %v", err)
return
}
defer rows.Close()
colls := []Collection{}
var c Collection
for rows.Next() {
err = rows.Scan(&c.ID, &c.Alias)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to scan collection cols: %v", err)
return
}
colls = append(colls, c)
}
var res sql.Result
for _, c := range colls {
// TODO: user deleteCollection() func
// Delete tokens
res, err = t.Exec("DELETE FROM collectionattributes WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete attributes on %s: %v", c.Alias, err)
return
}
rs, _ := res.RowsAffected()
stringLogln(l, "Deleted %d for %s from collectionattributes", rs, c.Alias)
// Remove any optional collection password
res, err = t.Exec("DELETE FROM collectionpasswords WHERE collection_id = ?", c.ID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete passwords on %s: %v", c.Alias, err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d for %s from collectionpasswords", rs, c.Alias)
// Remove redirects to this collection
res, err = t.Exec("DELETE FROM collectionredirects WHERE new_alias = ?", c.Alias)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete redirects on %s: %v", c.Alias, err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d for %s from collectionredirects", rs, c.Alias)
}
// Delete collections
res, err = t.Exec("DELETE FROM collections WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete collections: %v", err)
return
}
rs, _ := res.RowsAffected()
stringLogln(l, "Deleted %d from collections", rs)
// Delete tokens
res, err = t.Exec("DELETE FROM accesstokens WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete access tokens: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from accesstokens", rs)
// Delete posts
res, err = t.Exec("DELETE FROM posts WHERE owner_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete posts: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from posts", rs)
res, err = t.Exec("DELETE FROM userattributes WHERE user_id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete attributes: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from userattributes", rs)
res, err = t.Exec("DELETE FROM users WHERE id = ?", userID)
if err != nil {
t.Rollback()
stringLogln(l, "Unable to delete user: %v", err)
return
}
rs, _ = res.RowsAffected()
stringLogln(l, "Deleted %d from users", rs)
err = t.Commit()
if err != nil {
t.Rollback()
stringLogln(l, "Unable to commit: %v", err)
return
}
return
}
func (db *datastore) GetAPActorKeys(collectionID int64) ([]byte, []byte) {
var pub, priv []byte
err := db.QueryRow("SELECT public_key, private_key FROM collectionkeys WHERE collection_id = ?", collectionID).Scan(&pub, &priv)
switch {
case err == sql.ErrNoRows:
// Generate keys
pub, priv = activitypub.GenerateKeys()
_, err = db.Exec("INSERT INTO collectionkeys (collection_id, public_key, private_key) VALUES (?, ?, ?)", collectionID, pub, priv)
if err != nil {
log.Error("Unable to INSERT new activitypub keypair: %v", err)
return nil, nil
}
case err != nil:
log.Error("Couldn't SELECT collectionkeys: %v", err)
return nil, nil
}
return pub, priv
}
func (db *datastore) CreateUserInvite(id string, userID int64, maxUses int, expires *time.Time) error {
_, err := db.Exec("INSERT INTO userinvites (id, owner_id, max_uses, created, expires, inactive) VALUES (?, ?, ?, "+db.now()+", ?, 0)", id, userID, maxUses, expires)
return err
}
func (db *datastore) GetUserInvites(userID int64) (*[]Invite, error) {
rows, err := db.Query("SELECT id, max_uses, created, expires, inactive FROM userinvites WHERE owner_id = ? ORDER BY created DESC", userID)
if err != nil {
log.Error("Failed selecting from userinvites: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user invites."}
}
defer rows.Close()
is := []Invite{}
for rows.Next() {
i := Invite{}
err = rows.Scan(&i.ID, &i.MaxUses, &i.Created, &i.Expires, &i.Inactive)
is = append(is, i)
}
return &is, nil
}
func (db *datastore) GetUserInvite(id string) (*Invite, error) {
var i Invite
err := db.QueryRow("SELECT id, max_uses, created, expires, inactive FROM userinvites WHERE id = ?", id).Scan(&i.ID, &i.MaxUses, &i.Created, &i.Expires, &i.Inactive)
switch {
case err == sql.ErrNoRows:
return nil, impart.HTTPError{http.StatusNotFound, "Invite doesn't exist."}
case err != nil:
log.Error("Failed selecting invite: %v", err)
return nil, err
}
return &i, nil
}
func (db *datastore) GetUsersInvitedCount(id string) int64 {
var count int64
err := db.QueryRow("SELECT COUNT(*) FROM usersinvited WHERE invite_id = ?", id).Scan(&count)
switch {
case err == sql.ErrNoRows:
return 0
case err != nil:
log.Error("Failed selecting users invited count: %v", err)
return 0
}
return count
}
func (db *datastore) CreateInvitedUser(inviteID string, userID int64) error {
_, err := db.Exec("INSERT INTO usersinvited (invite_id, user_id) VALUES (?, ?)", inviteID, userID)
return err
}
func (db *datastore) GetInstancePages() ([]*instanceContent, error) {
return db.GetAllDynamicContent("page")
}
func (db *datastore) GetAllDynamicContent(t string) ([]*instanceContent, error) {
where := ""
params := []interface{}{}
if t != "" {
where = " WHERE content_type = ?"
params = append(params, t)
}
rows, err := db.Query("SELECT id, title, content, updated, content_type FROM appcontent"+where, params...)
if err != nil {
log.Error("Failed selecting from appcontent: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve instance pages."}
}
defer rows.Close()
pages := []*instanceContent{}
for rows.Next() {
c := &instanceContent{}
err = rows.Scan(&c.ID, &c.Title, &c.Content, &c.Updated, &c.Type)
if err != nil {
log.Error("Failed scanning row: %v", err)
break
}
pages = append(pages, c)
}
err = rows.Err()
if err != nil {
log.Error("Error after Next() on rows: %v", err)
}
return pages, nil
}
func (db *datastore) GetDynamicContent(id string) (*instanceContent, error) {
c := &instanceContent{
ID: id,
}
err := db.QueryRow("SELECT title, content, updated, content_type FROM appcontent WHERE id = ?", id).Scan(&c.Title, &c.Content, &c.Updated, &c.Type)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
log.Error("Couldn't SELECT FROM appcontent for id '%s': %v", id, err)
return nil, err
}
return c, nil
}
func (db *datastore) UpdateDynamicContent(id, title, content, contentType string) error {
var err error
if db.driverName == driverSQLite {
_, err = db.Exec("INSERT OR REPLACE INTO appcontent (id, title, content, updated, content_type) VALUES (?, ?, ?, "+db.now()+", ?)", id, title, content, contentType)
} else {
_, err = db.Exec("INSERT INTO appcontent (id, title, content, updated, content_type) VALUES (?, ?, ?, "+db.now()+", ?) "+db.upsert("id")+" title = ?, content = ?, updated = "+db.now(), id, title, content, contentType, title, content)
}
if err != nil {
log.Error("Unable to INSERT appcontent for '%s': %v", id, err)
}
return err
}
func (db *datastore) GetAllUsers(page uint) (*[]User, error) {
limitStr := fmt.Sprintf("0, %d", adminUsersPerPage)
if page > 1 {
limitStr = fmt.Sprintf("%d, %d", (page-1)*adminUsersPerPage, adminUsersPerPage)
}
rows, err := db.Query("SELECT id, username, created FROM users ORDER BY created DESC LIMIT " + limitStr)
if err != nil {
log.Error("Failed selecting from posts: %v", err)
return nil, impart.HTTPError{http.StatusInternalServerError, "Couldn't retrieve user posts."}
}
defer rows.Close()
users := []User{}
for rows.Next() {
u := User{}
err = rows.Scan(&u.ID, &u.Username, &u.Created)
if err != nil {
log.Error("Failed scanning GetAllUsers() row: %v", err)
break
}
users = append(users, u)
}
return &users, nil
}
func (db *datastore) GetAllUsersCount() int64 {
var count int64
err := db.QueryRow("SELECT COUNT(*) FROM users").Scan(&count)
switch {
case err == sql.ErrNoRows:
return 0
case err != nil:
log.Error("Failed selecting all users count: %v", err)
return 0
}
return count
}
func (db *datastore) GetUserLastPostTime(id int64) (*time.Time, error) {
var t time.Time
err := db.QueryRow("SELECT created FROM posts WHERE owner_id = ? ORDER BY created DESC LIMIT 1", id).Scan(&t)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
log.Error("Failed selecting last post time from posts: %v", err)
return nil, err
}
return &t, nil
}
func (db *datastore) GetCollectionLastPostTime(id int64) (*time.Time, error) {
var t time.Time
err := db.QueryRow("SELECT created FROM posts WHERE collection_id = ? ORDER BY created DESC LIMIT 1", id).Scan(&t)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
log.Error("Failed selecting last post time from posts: %v", err)
return nil, err
}
return &t, nil
}
// DatabaseInitialized returns whether or not the current datastore has been
// initialized with the correct schema.
// Currently, it checks to see if the `users` table exists.
func (db *datastore) DatabaseInitialized() bool {
var dummy string
var err error
if db.driverName == driverSQLite {
err = db.QueryRow("SELECT name FROM sqlite_master WHERE type = 'table' AND name = 'users'").Scan(&dummy)
} else {
err = db.QueryRow("SHOW TABLES LIKE 'users'").Scan(&dummy)
}
switch {
case err == sql.ErrNoRows:
return false
case err != nil:
log.Error("Couldn't SHOW TABLES: %v", err)
return false
}
return true
}
func stringLogln(log *string, s string, v ...interface{}) {
*log += fmt.Sprintf(s+"\n", v...)
}
func handleFailedPostInsert(err error) error {
log.Error("Couldn't insert into posts: %v", err)
return err
}
diff --git a/export.go b/export.go
index e23b850..4aa00fd 100644
--- a/export.go
+++ b/export.go
@@ -1,124 +1,124 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"archive/zip"
"bytes"
"encoding/csv"
"github.com/writeas/web-core/log"
"strings"
"time"
)
func exportPostsCSV(u *User, posts *[]PublicPost) []byte {
var b bytes.Buffer
r := [][]string{
{"id", "slug", "blog", "url", "created", "title", "body"},
}
for _, p := range *posts {
var blog string
if p.Collection != nil {
blog = p.Collection.Alias
}
f := []string{p.ID, p.Slug.String, blog, p.CanonicalURL(), p.Created8601(), p.Title.String, strings.Replace(p.Content, "\n", "\\n", -1)}
r = append(r, f)
}
w := csv.NewWriter(&b)
w.WriteAll(r) // calls Flush internally
if err := w.Error(); err != nil {
log.Info("error writing csv:", err)
}
return b.Bytes()
}
type exportedTxt struct {
Name, Body string
Mod time.Time
}
func exportPostsZip(u *User, posts *[]PublicPost) []byte {
// Create a buffer to write our archive to.
b := new(bytes.Buffer)
// Create a new zip archive.
w := zip.NewWriter(b)
// Add some files to the archive.
var filename string
files := []exportedTxt{}
for _, p := range *posts {
filename = ""
if p.Collection != nil {
filename += p.Collection.Alias + "/"
}
if p.Slug.String != "" {
filename += p.Slug.String + "_"
}
filename += p.ID + ".txt"
files = append(files, exportedTxt{filename, p.Content, p.Created})
}
for _, file := range files {
head := &zip.FileHeader{Name: file.Name}
head.SetModTime(file.Mod)
f, err := w.CreateHeader(head)
if err != nil {
log.Error("export zip header: %v", err)
}
_, err = f.Write([]byte(file.Body))
if err != nil {
log.Error("export zip write: %v", err)
}
}
// Make sure to check the error on Close.
err := w.Close()
if err != nil {
log.Error("export zip close: %v", err)
}
return b.Bytes()
}
func compileFullExport(app *app, u *User) *ExportUser {
exportUser := &ExportUser{
User: u,
}
colls, err := app.db.GetCollections(u)
if err != nil {
log.Error("unable to fetch collections: %v", err)
}
posts, err := app.db.GetAnonymousPosts(u)
if err != nil {
log.Error("unable to fetch anon posts: %v", err)
}
exportUser.AnonymousPosts = *posts
var collObjs []CollectionObj
for _, c := range *colls {
co := &CollectionObj{Collection: c}
- co.Posts, err = app.db.GetPosts(&c, 0, true, false)
+ co.Posts, err = app.db.GetPosts(&c, 0, true, false, true)
if err != nil {
log.Error("unable to get collection posts: %v", err)
}
app.db.GetPostsCount(co, true)
collObjs = append(collObjs, *co)
}
exportUser.Collections = &collObjs
return exportUser
}
diff --git a/feed.go b/feed.go
index 89043d3..fc6478d 100644
--- a/feed.go
+++ b/feed.go
@@ -1,110 +1,110 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"fmt"
. "github.com/gorilla/feeds"
"github.com/gorilla/mux"
stripmd "github.com/writeas/go-strip-markdown"
"github.com/writeas/web-core/log"
"net/http"
"time"
)
func ViewFeed(app *app, w http.ResponseWriter, req *http.Request) error {
alias := collectionAliasFromReq(req)
// Display collection if this is a collection
var c *Collection
var err error
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return nil
}
if c.IsPrivate() || c.IsProtected() {
return ErrCollectionNotFound
}
// Fetch extra data about the Collection
// TODO: refactor out this logic, shared in collection.go:fetchCollection()
coll := &DisplayCollection{CollectionObj: &CollectionObj{Collection: *c}}
if c.PublicOwner {
u, err := app.db.GetUserByID(coll.OwnerID)
if err != nil {
// Log the error and just continue
log.Error("Error getting user for collection: %v", err)
} else {
coll.Owner = u
}
}
tag := mux.Vars(req)["tag"]
if tag != "" {
coll.Posts, _ = app.db.GetPostsTagged(c, tag, 1, false)
} else {
- coll.Posts, _ = app.db.GetPosts(c, 1, false, true)
+ coll.Posts, _ = app.db.GetPosts(c, 1, false, true, false)
}
author := ""
if coll.Owner != nil {
author = coll.Owner.Username
}
collectionTitle := coll.DisplayTitle()
if tag != "" {
collectionTitle = tag + " &mdash; " + collectionTitle
}
baseUrl := coll.CanonicalURL()
basePermalinkUrl := baseUrl
siteURL := baseUrl
if tag != "" {
siteURL += "tag:" + tag
}
feed := &Feed{
Title: collectionTitle,
Link: &Link{Href: siteURL},
Description: coll.Description,
Author: &Author{author, ""},
Created: time.Now(),
}
var title, permalink string
for _, p := range *coll.Posts {
title = p.PlainDisplayTitle()
permalink = fmt.Sprintf("%s%s", baseUrl, p.Slug.String)
feed.Items = append(feed.Items, &Item{
Id: fmt.Sprintf("%s%s", basePermalinkUrl, p.Slug.String),
Title: title,
Link: &Link{Href: permalink},
Description: "<![CDATA[" + stripmd.Strip(p.Content) + "]]>",
Content: applyMarkdown([]byte(p.Content), ""),
Author: &Author{author, ""},
Created: p.Created,
Updated: p.Updated,
})
}
rss, err := feed.ToRss()
if err != nil {
return err
}
fmt.Fprint(w, rss)
return nil
}
diff --git a/sitemap.go b/sitemap.go
index 9bb168a..517a379 100644
--- a/sitemap.go
+++ b/sitemap.go
@@ -1,104 +1,104 @@
/*
* Copyright © 2018 A Bunch Tell LLC.
*
* This file is part of WriteFreely.
*
* WriteFreely is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, included
* in the LICENSE file in this source code package.
*/
package writefreely
import (
"fmt"
"github.com/gorilla/mux"
"github.com/ikeikeikeike/go-sitemap-generator/stm"
"github.com/writeas/web-core/log"
"net/http"
"time"
)
func buildSitemap(host, alias string) *stm.Sitemap {
sm := stm.NewSitemap()
sm.SetDefaultHost(host)
if alias != "/" {
sm.SetSitemapsPath(alias)
}
sm.Create()
// Note: Do not call `sm.Finalize()` because it flushes
// the underlying datastructure from memory to disk.
return sm
}
func handleViewSitemap(app *app, w http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
// Determine canonical blog URL
alias := vars["collection"]
subdomain := vars["subdomain"]
isSubdomain := subdomain != ""
if isSubdomain {
alias = subdomain
}
host := fmt.Sprintf("%s/%s/", app.cfg.App.Host, alias)
var c *Collection
var err error
pre := "/"
if app.cfg.App.SingleUser {
c, err = app.db.GetCollectionByID(1)
} else {
c, err = app.db.GetCollection(alias)
}
if err != nil {
return err
}
if !isSubdomain {
pre += alias + "/"
}
host = c.CanonicalURL()
sm := buildSitemap(host, pre)
- posts, err := app.db.GetPosts(c, 0, false, false)
+ posts, err := app.db.GetPosts(c, 0, false, false, false)
if err != nil {
log.Error("Error getting posts: %v", err)
return err
}
lastSiteMod := time.Now()
for i, p := range *posts {
if i == 0 {
lastSiteMod = p.Updated
}
u := stm.URL{
"loc": p.Slug.String,
"changefreq": "weekly",
"mobile": true,
"lastmod": p.Updated,
}
if len(p.Images) > 0 {
imgs := []stm.URL{}
for _, i := range p.Images {
imgs = append(imgs, stm.URL{"loc": i, "title": ""})
}
u["image"] = imgs
}
sm.Add(u)
}
// Add top URL
sm.Add(stm.URL{
"loc": pre,
"changefreq": "daily",
"priority": "1.0",
"lastmod": lastSiteMod,
})
w.Write(sm.XMLContent())
return nil
}

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